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Fencer Intel
high 7.6

CVE-2013-2271 json

The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists, allows remote attackers to bypass authentic…

published 12y ago modified 4mo ago also EUVD-2013-2217

cvss
7.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.7%
EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists, allows remote attackers to bypass authentication and gain administrator access via a request to login.cgi.

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Timeline

  1. First public exploit (EDB-24563)
  2. Published

Exploit prediction

4.71% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-24563 D-Link DSL-2740B ADSL Router - Authentication Bypass webapps, 2013-03-04
  • packetstormsecurity.com http://packetstormsecurity.com/files/120613/dlinkdsl2740b-bypass.txt referenced PoC, tagged "exploit" by a source, unverified
  • webapp-security.com http://www.webapp-security.com/wp-content/uploads/2013/03/D-Link-DSL-2740B-ADSL-Router-Authentication-Bypass2.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.6 AV:N/AC:H/Au:N/C:C/I:C/A:C

Classification

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

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.