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Fencer Vulns
critical 10.0

CVE-2008-1244 json

cgi-bin/setup_dns.exe on the Belkin F5D7230-4 router with firmware 9.01.10 does not require authentication, which allows remote attackers t…

published 2008-03-10 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-1252

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

cgi-bin/setup_dns.exe on the Belkin F5D7230-4 router with firmware 9.01.10 does not require authentication, which allows remote attackers to perform administrative actions, as demonstrated by changing a DNS server via the dns1_1, dns1_2, dns1_3, and dns1_4 parameters. NOTE: it was later reported that F5D7632-4V6 with firmware 6.01.08 is also affected.

Timeline

  1. Published
  2. First public exploit (EDB-6305)

Exploit prediction

4.90% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-6305 Belkin Wireless G Router / ADSL2 Modem - Authentication Bypass remote, 2008-08-25
  • gnucitizen.org http://www.gnucitizen.org/projects/router-hacking-challenge/ referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=371598 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

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.