Buffer overflow in DIR-822K and DWR-M920 - CVE-2025-13551

 

Buffer overflow in DIR-822K and DWR-M920 - CVE-2025-13551

Published: November 25, 2025 / Updated: November 25, 2025


Vulnerability identifier: #VU118757
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2025-13551
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the "/boafrm/formWanConfigSetup" file. A remote user can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

DIR-822K
DWR-M920

How to mitigate CVE-2025-13551

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


Links to Public Exploits and PoC-codes

External References

Related Security Bulletins