RCE in Linksys Wag54g2

CVE-2009-5157

On Linksys WAG54G2 1.00.10 devices, there is authenticated command injection via shell metacharacters in the setup.cgi c4_ping_ipaddr variable.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.058 (92.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linksys Wag54g2
Linksys Wag54g2_firmware — versions 1.00.10
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2009-5157?: CVE-2009-5157 is a high-severity vulnerability in Linksys Wag54g2, classified under Command Injection. CVSS score: 8.8/10. Published 2019-06-11.
How severe is CVE-2009-5157?: High severity. CVSS v3 base score is 8.8 out of 10.