CVE-2025-13551

D-Link DIR-822K/DWR-M920 formWanConfigSetup buffer overflow

State: Published
Severity: 8.7 High
Published: Nov 23, 2025
Updated: Nov 24, 2025
Reserved: Nov 22, 2025

Description

A vulnerability was identified in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. The affected element is an unknown function of the file /boafrm/formWanConfigSetup. The manipulation of the argument submit-url leads to buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P	VulDB
3.1	8.8 High	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	VulDB
3.0	8.8 High	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
2.0	9.0 High	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-120 Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
DIR-822KD-Link	1.00_20250513164613Affected 1.1.50Affected
DWR-M920D-Link	1.00_20250513164613Affected 1.1.50Affected

References

VDB-333318 | D-Link DIR-822K/DWR-M920 formWanConfigSetup buffer overflowvdb-entrytechnical-description
VDB-333318 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #693785 | D-Link DIR-822k TK_1.00_20250513164613 Buffer Overflowthird-party-advisory
Submit #695436 | D-Link DWR-M920 v1.1.50 Buffer Overflow (Duplicate)third-party-advisory
https://github.com/QIU-DIE/CVE/issues/35issue-tracking
https://github.com/QIU-DIE/CVE/issues/46exploitissue-tracking
https://www.dlink.com/product

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