vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-5969

D-Link DIR-632 HTTP POST Request biurl_grou FUN_00425fd8 stack-based overflow

HIGH
8.8
CVSS Score
Published: June 10, 2025 at 04:31 PM UTC
Updated: June 17, 2026 at 09:49 AM UTC
2 products affected across 1 vendorDir 632 FirmwareDir-632

Using DIR-632 by D-Link?

Get instant alerts when new vulnerabilities affect DIR-632 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
PoC

Description

A vulnerability has been found in D-Link DIR-632 FW103B08 and classified as critical. Affected by this vulnerability is the function FUN_00425fd8 of the file /biurl_grou of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The attack can be launched 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 632 Firmware· D-Link
95%
103b08FW103B08
dlink-dir-632 (same device)
Dir-632· D-Linkdevice
80%
All versions

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-dir632-dlink-FUN_00425fd8
ExploitThird Party Advisory
Source: [email protected]
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir632-dlink-FUN_00425fd8#poc
SignaturePermissions RequiredVDB Entry
Source: [email protected]
https://vuldb.com/?ctiid.311845
VDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://vuldb.com/?id.311845
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.592336
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-121

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card