Vulnerability · Published Apr 26, 2026 · Assigned by VulDB

CVE-2026-7068D-Link DIR-825 nmbd sserver.c NMBD_process buffer overflow

High 8.8

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 1.9% (higher than 79% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.9%top 20.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in D-Link DIR-825 3.00b32. This affects the function NMBD_process of the file sserver.c of the component nmbd. Such manipulation leads to buffer overflow. The attack can only be initiated within the local network. The exploit is publicly available and might be used. 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:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-359643 | D-Link DIR-825 nmbd sserver.c NMBD_process buffer overflow vdb-entry, technical-description
VDB-359643 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #798646 | D-Link DIR-825 C1_FW3.00b32 C1_FW3.00b32 Buffer Overflow third-party-advisory
https://tzh00203.notion.site/D-Link-DIR-825-nmbd-NetBIOS-Name-Service-Stack-Based-Buffer-Overflow-337b5c52018a80cea1e8d56689928114 exploit
https://www.dlink.com/ product