SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2006-5202

Linksys WRT54g firmware 1.00.9 does not require credentials when making configuration changes, which allows remote attackers to modify arbitrary configurations via a direct request to Security.tri, as demonstrated using the SecurityMode and layout…

EXPLOIT ✓MEDIUM 5.0EPSS 4.10%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 4.1%. Treat it as high on anything reachable from the internet.

Description

Linksys WRT54g firmware 1.00.9 does not require credentials when making configuration changes, which allows remote attackers to modify arbitrary configurations via a direct request to Security.tri, as demonstrated using the SecurityMode and layout parameters, a different issue than CVE-2006-2559.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS
4.10% probability · 91th percentile
Public exploits
1 in Exploit-DB · verified · first 24 June 2008
CISA KEV
Not listed
Affected
linksys/wrt54g
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 4.10%26 October 202626 October 2026

EPSS 4.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-5926source ↗Linksys WRT54G Firmware 1.00.9 - Security Bypass (2)hardware · meathiveremote24 June 2008yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.