CVE-2026-48715 Vulnerability Analysis & Exploit Details

CVE-2026-48715
Vulnerability Scoring

8.8
/10
Severe Risk

Cybersecurity professionals consider CVE-2026-48715 an immediate threat requiring urgent mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Adjacent_network
    Attack Vector Under Analysis
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-48715 Details

Status: Analyzed

Last updated: 🕗 26 Jun 2026, 20:17 UTC
Originally published on: 🕗 19 Jun 2026, 20:16 UTC

Time between publication and last update: 7 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2026-48715 Vulnerability Summary

CVE-2026-48715: radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, `print_ff()` copies up to 2032 bytes from attacker-controlled packet data into a 16-byte `struct in6_addr` on the stack, overflowing by up to 2016 bytes. Note that the main `radvd` daemon is not affected by the vulnerability. Version 2.21 patches the issue.

Assessing the Risk of CVE-2026-48715

Access Complexity Graph

The exploitability of CVE-2026-48715 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-48715

With low attack complexity and no required privileges, CVE-2026-48715 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-48715, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-48715, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-48715 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2026-48715 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2026-48715 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-48715 References

External References

CWE Common Weakness Enumeration

CWE-121

Vulnerable Configurations

  • cpe:2.3:a:radvd.litech:radvd:0.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.7.2:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.7.3:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.7.3:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.8:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.9:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.9:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:0.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:0.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.0:-:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.1:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.2:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.3:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.4:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.6:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.7:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.7:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.8:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.8:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.2:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.2:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.3:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.3:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.4:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.4:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.5:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.5:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.6:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.6:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.7:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.7:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.8:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.8:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.9.9:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.9.9:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.10.0:-:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.10.0:-:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.10.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.10.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.10.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.10.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.11:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.11:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.12:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.12:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.13:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.13:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.14:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.14:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:1.15:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:1.15:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.0:-:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.0:-:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.0:rc3:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.0:rc3:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.0:rc4:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.0:rc4:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.0:rc5:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.0:rc5:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.1:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.2:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.3:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.4:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.5:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.6:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.7:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.7:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.8:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.8:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.9:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.9:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.10:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.11:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.11:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.12:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.12:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.13:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.13:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.14:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.14:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.15:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.15:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.16:-:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.16:-:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.16:rc1:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.16:rc1:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.17:-:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.17:-:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.17:rc1:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.17:rc1:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.18:-:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.18:-:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.18:rc1:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.18:rc1:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.19:*:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.19:*:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.20:-:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.20:-:*:*:*:*:*:*
  • cpe:2.3:a:radvd.litech:radvd:2.20:rc1:*:*:*:*:*:*
    cpe:2.3:a:radvd.litech:radvd:2.20:rc1:*:*:*:*:*:*

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