Vulnerability · Published Apr 27, 2026 · Assigned by VulDB

CVE-2026-7069D-Link DIR-825 miniupnpd upnpsoap.c AddPortMapping buffer overflow

High 8.0

In plain English

A high-severity buffer overflow in DIR-825 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High

Exploit odds (30 days)1.4%top 27.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-825	3.00b32

Weakness: CWE-120, CWE-119 · Vector: 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

References

VDB-359644 | D-Link DIR-825 miniupnpd upnpsoap.c AddPortMapping buffer overflow vdb-entry, technical-description
VDB-359644 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #798647 | D-Link DIR-825 C1_FW3.00b32 Buffer Overflow third-party-advisory
https://tzh00203.notion.site/D-Link-DIR-825-miniupnpd-AddPortMapping-Stack-Overflow-337b5c52018a8028988ecc9daded409e exploit
https://www.dlink.com/ product