RCE in D-Link Dns-340l
CVE-2026-82688
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.036 · change: +0.008
Affected products
- D-Link Dns-340l — versions 1.01B04, 1.03B06, 1.04.B02
- D-Link Dns-345 — versions 1.01B04, 1.03B06, 1.04.B02
Weakness classification (CWE)
References
- github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/ma… (exploit)
- vuldb.com/cve/CVE-2026-82688 (third-party-advisory)
- vuldb.com/submit/894190 (third-party-advisory)
- vuldb.com/vuln/397176 (technical-description, vdb-entry)
- vuldb.com/vuln/397176/cti (signature, permissions-required)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-82688?
- CVE-2026-82688 is a critical-severity vulnerability in D-Link Dns-340l, classified under Command Injection. CVSS score: 9.1/10. Published 2026-08-31.
- How severe is CVE-2026-82688?
- Critical severity. CVSS v3 base score is 9.1 out of 10.