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

Quick assessment

Affected
D-Link DIR-825
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link DIR-825是中国友讯（D-Link）公司的一款路由器。 D-Link DIR-825 3.00b32版本存在缓冲区错误漏洞，该漏洞源于nmbd组件中sserver.c文件NMBD_process函数的操作，可能导致缓冲区溢出。

CVSS 8.8 · High EPSS 1.13% · P65

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-7068

Vulnerability Information
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Vulnerability Title
D-Link DIR-825 nmbd sserver.c NMBD_process buffer overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-825 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-825是中国友讯（D-Link）公司的一款路由器。 D-Link DIR-825 3.00b32版本存在缓冲区错误漏洞，该漏洞源于nmbd组件中sserver.c文件NMBD_process函数的操作，可能导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-825 3.00b32 -

II. Public POCs for CVE-2026-7068

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III. Intelligence Information for CVE-2026-7068

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Vendor Advisories for CVE-2026-7068 (1)

News Coverage for CVE-2026-7068 (1)

Vendor Pages for CVE-2026-7068 (1)

Same Patch Batch · D-Link · 2026-04-26 · 4 CVEs total

CVE-2026-7067 7.3 HIGH D-Link DIR-822 udhcpd DHCP Service dhcpd.c system command injection
CVE-2026-7026 4.5 MEDIUM D-Link DGS-3420 System Information Settings cross site scripting
CVE-2026-7027 2.4 LOW D-Link DSL-2740R Wireless Setup Section cross site scripting

IV. Related Vulnerabilities

Same product: DIR-825
Same vendor: D-Link
Same weakness: CWE-120

V. Comments for CVE-2026-7068

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