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CVE-2025-6158

D-Link DIR-665 HTTP POST Request sub_AC78 stack-based overflow

HIGH
8.8
CVSS Score
Published: June 17, 2025 at 03:31 AM UTC
Updated: June 17, 2026 at 10:01 AM UTC
2 products affected across 1 vendorDir 655 FirmwareDir 655

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
PoC

Description

A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected

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

Dir 655 Firmware· D-Link
95%
1.00
dlink-dir-655 (same device)
Dir 655· D-Link
60%
1.00

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 (6)

RelatedExploitThird Party Advisory
Source: [email protected]
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlink
ExploitThird Party Advisory
Source: [email protected]
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlink#poc
SignaturePermissions RequiredVDB Entry
Source: [email protected]
https://vuldb.com/?ctiid.312633
VDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://vuldb.com/?id.312633
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.593161
Product
Source: [email protected]
https://www.dlink.com/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial 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-121

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