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CVE-2025-13549

D-Link DIR-822K formNtp sub_455524 buffer overflow

HIGH
8.8
CVSS Score
Published: November 23, 2025 at 12:02 PM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorDir 822K Firmware· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

A vulnerability was found in D-Link DIR-822K 1.00. This issue affects the function sub_455524 of the file /boafrm/formNtp. Performing manipulation of the argument submit-url results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

Affected

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

Dir 822K Firmware· D-Link
95%
1.00_20250513164613
dlink-dir-822k (same device)

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 (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.333316
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.333316
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.693776
ExploitIssue Tracking
Source: cverecord
https://github.com/QIU-DIE/CVE/issues/32
Product
Source: cverecord
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-120CWE-119

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