CVE-2011-3605

The process_rs function in the router advertisement daemon (radvd) before 1.8.2, when UnicastOnly is enabled, allows remote attackers to cause a denial of service (temporary service hang) via a large number of ND_ROUTER_SOLICIT requests.

Published: 2014-02-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3605 is rated Moderate Risk (46.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.59%). EPSS rose +1.08% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-3605

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.51% 1.59% +1.08%
2 2025-03-30 0.92% 0.51% -0.41%
3 2025-03-29 — 0.92% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3605

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-3605

OS Trackers for CVE-2011-3605

vendor priority summary link
debian not yet assigned CVE-2011-3605 not yet assigned priority: Debian including 1 source packages (radvd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-3605
gentoo high CVE-2011-3605: 1 GLSA(s) (201111-08), 1 atom(s) (net-misc/radvd); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3605
redhat low — https://access.redhat.com/security/cve/CVE-2011-3605
ubuntu medium CVE-2011-3605 medium priority: Ubuntu including 1 source packages (radvd), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 5, ignored 1. https://ubuntu.com/security/CVE-2011-3605

Affected software / configurations for CVE-2011-3605

Vendor Product Version Raw CPE
litech router_advertisement_daemon <= 1.8.1 cpe:2.3:a:litech:router_advertisement_daemon:*:*:*:*:*:*:*:*

References for CVE-2011-3605

cvelogic Threat Intelligence