CVE-2026-7069

D-Link DIR-825 miniupnpd upnpsoap.c AddPortMapping buffer overflow

State: Published
Severity: 8.6 High
Published: Apr 27, 2026
Updated: Apr 27, 2026
Reserved: Apr 26, 2026

Description

A security flaw has been discovered in D-Link DIR-825 up to 3.00b32. This impacts the function AddPortMapping of the file upnpsoap.c of the component miniupnpd. Performing a manipulation of the argument NewPortMappingDescription results in buffer overflow. The attack needs to be approached within the local network. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P	VulDB
3.1	8.0 High	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
3.0	8.0 High	CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
2.0	7.7 High	AV:A/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-120 Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
DIR-825D-Link	3.00b32Affected

References

VDB-359644 | D-Link DIR-825 miniupnpd upnpsoap.c AddPortMapping buffer overflowvdb-entrytechnical-description
VDB-359644 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #798647 | D-Link DIR-825 C1_FW3.00b32 Buffer Overflowthird-party-advisory
https://tzh00203.notion.site/D-Link-DIR-825-miniupnpd-AddPortMapping-Stack-Overflow-337b5c52018a8028988ecc9daded409eexploit
https://www.dlink.com/product

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