Is CVE-2011-3601 in the CISA KEV catalog?

No. CVE-2011-3601 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3601?

CVE-2011-3601 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2011-3601?

CVE-2011-3601 has an EPSS score of 3.96% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-3601?

Upgrade radvd on debian 11 to 1:1.8-1.2 or later.

CVE & CISA-KEV Catalog

CVE-2011-3601

HIGHEPSS 89th pctl

7.5

CVSS v2

NVD

Description

Buffer overflow in the process_ra function in the router advertisement daemon (radvd) before 1.8.2 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative value in a label_len value.

CWE-119Buffer Overflow

How to fix

Remediation Available

radvdDebian

Fixed in:1:1.8-1.2CVE-2011-3601

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.96%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.