CVE-2025-13551: D-Link DIR-822K/DWR-M920 formWanConfigSetup buffer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-23 · updated 2026-10-18
Weakness: CWE-119

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.

Affected products

D-Link DIR-822K: 1.00_20250513164613
D-Link DWR-M920: 1.1.50

References

https://github.com/QIU-DIE/CVE/issues/35
https://github.com/QIU-DIE/CVE/issues/46
https://vuldb.com/?ctiid.333318
https://vuldb.com/?id.333318
https://vuldb.com/?submit.693785
https://vuldb.com/?submit.695436
https://www.dlink.com/
https://github.com/QIU-DIE/CVE/issues/35
https://github.com/QIU-DIE/CVE/issues/46

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