Vulnerability · Published Nov 23, 2025 · Assigned by VulDB
CVE-2025-13550D-Link DIR-822K/DWR-M920 formVpnConfigSetup buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in DIR-822K from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 42.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. Impacted is an unknown function of the file /boafrm/formVpnConfigSetup. Executing manipulation of the argument submit-url can lead to buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-333317 | D-Link DIR-822K/DWR-M920 formVpnConfigSetup buffer overflow vdb-entry, technical-description
- VDB-333317 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #693777 | D-Link DIR-822k TK_1.00_20250513164613 Buffer Overflow third-party-advisory
- Submit #695437 | D-Link DWR-M920 v1.1.50 Buffer Overflow (Duplicate) third-party-advisory
- https://github.com/QIU-DIE/CVE/issues/33 issue-tracking
- https://github.com/QIU-DIE/CVE/issues/47 exploit, issue-tracking
- https://www.dlink.com/ product