CVE-2013-2271

D-Link DSL-2740B Firmware EU_1.0 - Unauthenticated Authentication Bypass via login.cgi

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2013-2271. PoCs published by Ivano Binetti.

AI-analyzed exploit summary This exploit describes an authentication bypass vulnerability in D-Link DSL-2740B routers. The attacker can bypass authentication by accessing a specific URL when an administrator is logged in, gaining admin permissions.

Description

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.

Exploits (1)

exploitdb WRITEUP
by Ivano Binetti · textwebappshardware
https://www.exploit-db.com/exploits/24563

This exploit describes an authentication bypass vulnerability in D-Link DSL-2740B routers. The attacker can bypass authentication by accessing a specific URL when an administrator is logged in, gaining admin permissions.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: D-Link DSL-2740B with Firmware Version: EU_1.0
No auth needed
Prerequisites: An administrator must be logged into the web management interface · Remote management must be enabled for external attacks
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4

Scores

EPSS 0.0537
EPSS Percentile 91.6%

Details

CWE
CWE-264
Status published
Products (2)
dlink/dsl-2740b
dlink/dsl-2740b_firmware
Published Nov 19, 2013
Tracked Since Feb 18, 2026