CVE-2013-5546

Name: CVE-2013-5546
Creator: NVD / NIST
Published: 2013-10-31T21:55:02.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.89%

Last modified Jun 16, 2026

CVE-2013-5546 is a vulnerability of currently unknown severity. The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via large TCP packets that are processed by the (1) NAT or (2) ALG component, aka Bug ID CSCud72509.. EPSS estimates a 1.89% chance of exploitation in the next 30 days.

Description

The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via large TCP packets that are processed by the (1) NAT or (2) ALG component, aka Bug ID CSCud72509.

Metrics

EPSS Probability

1.89%

76.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios Xe	3.7.0s
Cisco	Ios Xe	3.7.1s
Cisco	Ios Xe	3.7.2s
Cisco	Ios Xe	3.8.0s
Cisco	Asr 1001	All versions
Cisco	Asr 1002	All versions
Cisco	Asr 1002-X	All versions
Cisco	Asr 1004	All versions
Cisco	Asr 1006	All versions
Cisco	Asr 1023 Router	All versions

References

Timeline

Published: Oct 31, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-5546?

How severe is CVE-2013-5546?

Severity scoring for CVE-2013-5546 is pending analysis. The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.

How do I fix CVE-2013-5546?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-5546?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST