CVE-2023-32152 json
D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability
published 2024-05-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36420
- cvss
- 6.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 28.9%
- EPSS 28.9% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
28.88% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.5 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- D-Link DIR-2640
- d-link dir-2640-us
Classification
- Weakness
-
- CWE-303 Incorrect Implementation of Authentication Algorithm
References
-
supportannouncement.us.dlink.com
/announcement/publication.aspx?name=SAP10323
vendor-advisory, product
-
zerodayinitiative.com
/advisories/ZDI-23-544/
third-party-advisory
Sources
- CVE List CVE-2023-32152
- NVD CVE-2023-32152
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