D-Link DIR-2640 HNAP Login Bypass via Authless POST (CVE-2023-32152)
CVE-2023-32152 Published on May 3, 2024
D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability
D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the web management interface, which listens on TCP port 80 by default. A specially crafted login request can cause authentication to succeed without providing proper credentials. An attacker can leverage this vulnerability to bypass authentication on the system.
. Was ZDI-CAN-19549.
Weakness Type
Incorrect Implementation of Authentication Algorithm
The requirements for the software dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect. This incorrect implementation may allow authentication to be bypassed.
Products Associated with CVE-2023-32152
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Affected Versions
D-Link DIR-2640:- Version 1.11B02 (non-US, CA version) is affected.
- Before and including v1.11B02 is affected.
- Before and including v1.11B02 Beta01 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.