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Fencer Intel
high 8.8

CVE-2009-5157 json

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

published 7y ago modified 4mo ago also EUVD-2009-5111

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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

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Exploit prediction

5.83% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • securityfocus.com https://www.securityfocus.com/archive/1/503934 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.