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CVE-2025-13551

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

HIGH
8.8
CVSS Score
Published: November 23, 2025 at 01:02 PM UTC
Updated: October 18, 2026 at 08:10 PM UTC
2 products affected across 1 vendorDwr M920 FirmwareDir 822K Firmware· also runs on 2 platforms

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

Issue TrackingExploit
Source: [email protected]
https://github.com/QIU-DIE/CVE/issues/35
ExploitIssue Tracking
Source: [email protected]
https://github.com/QIU-DIE/CVE/issues/46
SignaturePermissions RequiredVDB Entry
Source: [email protected]
https://vuldb.com/?ctiid.333318
VDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://vuldb.com/?id.333318
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.693785
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.695436
Product
Source: [email protected]
https://www.dlink.com/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-119CWE-120

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