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Fencer Vulns
critical 10.0

CVE-2008-1247 json

The web interface on the Linksys WRT54g router with firmware 1.00.9 does not require credentials when invoking scripts, which allows remote…

published 2008-03-10 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-1255

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

The web interface on the Linksys WRT54g router with firmware 1.00.9 does not require credentials when invoking scripts, which allows remote attackers to perform arbitrary administrative actions via a direct request to (1) Advanced.tri, (2) AdvRoute.tri, (3) Basic.tri, (4) ctlog.tri, (5) ddns.tri, (6) dmz.tri, (7) factdefa.tri, (8) filter.tri, (9) fw.tri, (10) manage.tri, (11) ping.tri, (12) PortRange.tri, (13) ptrigger.tri, (14) qos.tri, (15) rstatus.tri, (16) tracert.tri, (17) vpn.tri, (18) WanMac.tri, (19) WBasic.tri, or (20) WFilter.tri. NOTE: the Security.tri vector is already covered by CVE-2006-5202.

Timeline

  1. Published
  2. First public exploit (EDB-5313)

Exploit prediction

5.16% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-5313 Linksys WRT54G Firmware 1.00.9 - Security Bypass (1) remote, 2008-03-26
  • exploit-db.com https://www.exploit-db.com/exploits/5926 referenced PoC, tagged "exploit" by a source, unverified
  • kinqpinz.info http://kinqpinz.info/lib/wrt54g/own.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Vulns 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.