D-Link DIR-825 up to 3.00b32 miniupnpd upnpsoap.c AddPortMapping NewPortMappingDescription buffer overflow

Summaryinfo

A vulnerability described as critical has been identified in D-Link DIR-825 up to 3.00b32. Affected is the function AddPortMapping of the file upnpsoap.c of the component miniupnpd. Executing a manipulation of the argument NewPortMappingDescription can lead to buffer overflow. This vulnerability only affects products that are no longer supported by the maintainer. The identification of this vulnerability is CVE-2026-7069. The attack needs to be done within the local network. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in D-Link DIR-825 up to 3.00b32 and classified as critical. This vulnerability affects the function AddPortMapping of the file upnpsoap.c of the component miniupnpd. The manipulation of the argument NewPortMappingDescription with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at tzh00203.notion.site. This vulnerability was named CVE-2026-7069. The exploitation appears to be easy. Access to the local network is required for this attack. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/26/2026).

It is possible to download the exploit at tzh00203.notion.site. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.3

VulDB Base Score: 8.0
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/26/2026 Advisory disclosed
04/26/2026 +0 days VulDB entry created
04/26/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: tzh00203.notion.site
Status: Not defined

CVE: CVE-2026-7069 (🔒)
GCVE (CVE): GCVE-0-2026-7069
GCVE (VulDB): GCVE-100-359644
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/26/2026 09:43
Changes: 04/26/2026 09:43 (59)
Complete: 🔍
Submitter: tian
Cache ID: 216::103

Submitinfo

Accepted

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