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CVE-2026-82688— D-Link DNS-340L/DNS-345 Virtual Volume virtual_vol.cgi os command injection

Quick assessment

Affected
D-Link DNS-340L
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.

在 D-Link DNS-340L 和 DNS-345 固件版本 1.01B04/1.03B06/1.04.B02/1.05B04 中检测到安全漏洞。该漏洞影响虚拟卷处理组件中 文件的一个未知功能。通过对参数 、 和 的操纵，可引发操作系统命令注入。该漏洞可通过远程方式被利用。此漏洞的利用方式已公开披露，可能被攻击者利用。

CVSS 9.1 · Critical
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I. Basic Information for CVE-2026-82688

Vulnerability Information
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Vulnerability Title
D-Link DNS-340L/DNS-345 Virtual Volume virtual_vol.cgi os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in D-Link DNS-340L and DNS-345 1.01B04/1.03B06/1.04.B02/1.05b04. This impacts an unknown function of the file /cgi-bin/virtual_vol.cgi of the component Virtual Volume Handler. The manipulation of the argument f_sharename/f_target/f_name leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DNS-340L 1.01B04 cpe:2.3:h:d-link:dns-340l:*:*:*:*:*:*:*:*
D-Link DNS-345 1.01B04 cpe:2.3:h:d-link:dns-345:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82688

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III. Intelligence Information for CVE-2026-82688

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Vendor Pages for CVE-2026-82688 (1)

Other References for CVE-2026-82688 (4)

Same Patch Batch · D-Link · 2026-08-31 · 5 CVEs total

CVE-2026-82689 9.9 CRITICAL D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 ISO Image isomount_mgr.cgi os command injection
CVE-2026-82691 9.1 CRITICAL D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection
CVE-2026-82690 9.1 CRITICAL D-Link DNS-327L/DNS-340L ve_mgr.cgi os command injection
CVE-2026-82680 8.8 HIGH D-Link DSM-G600 Multipart load_file.cgi out-of-bounds write

IV. Related Vulnerabilities

Same vendor: D-Link
Same weakness: CWE-78

V. Comments for CVE-2026-82688

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