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CVE-2011-3602

21
FAUCET Score

CVE-2011-3602 describes a directory traversal vulnerability in the router advertisement daemon (radvd) before version 1.8.2, specifically within the device-linux.c component. This flaw allows local users to overwrite arbitrary files and remote attackers to overwrite certain files by injecting ".." into an interface name. The vulnerability carries a CVSS score of 6.4, indicating a medium severity, with a network attack vector, low attack complexity, and potential for partial integrity and availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.1CPE matchmatch criteria
cpe:2.3:a:litech:router_advertisement_daemon:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.79%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0279 is in the 78th percentile among its peer group of 23,690 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

ubuntuvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: radvd
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: radvd

Vendor Advisories (1)

redhatCVE-2011-3602Low

radvd: arbitrary file overwrite flaw in set_interface_var()

Oct 4, 2011

References

github.com / reubenhwk/radvd/commit/92e22ca23e52066da2258df8c76a2dca8a428bcc
debian.org / security/2011/dsa-2323
litech.org / radvd/CHANGES
openwall.com / lists/oss-security/2011/10/06/3
ubuntu.com / usn/USN-1257-1
Vendor Advisory