Vulnerability · Published Nov 23, 2025 · Assigned by VulDB

CVE-2025-13548D-Link DIR-822K/DWR-M920 formFirewallAdv 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 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 41.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. This vulnerability affects unknown code of the file /boafrm/formFirewallAdv. Such manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

VendorProductVersions
D-Link DIR-822K 1.00_202505131646131.1.50
D-Link DWR-M920 1.00_202505131646131.1.50

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