CVE-2023-32148
D-Link DIR-2640 HNAP PrivateLogin Authentication Bypass Vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 28.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
D-Link DIR-2640 HNAP PrivateLogin 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 crafted XML element in the 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-19545.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 28.88% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-303
- Affected
- dlink/dir-2640 firmware
- Source
- zdi-disclosures@trendmicro.com
EPSS 28.9% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10323Product, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-540/Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10323Product, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-540/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.