CVE-2026-8265

Description

A security vulnerability has been detected in Tenda AC6 15.03.06.23. Affected by this issue is the function get_log_file of the file /goform/getLogFile of the component httpd. The manipulation of the argument wans.flag leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0037

Probability of exploitation

0.59%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
tenda	ac6_firmware	All
tenda	ac6	All

References

Exploits

https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/Tenda%20AC6V2%20get_log_file%20Command%20Injection%20via%20wans.flag.md

Other References

https://vuldb.com/submit/810076 https://vuldb.com/vuln/362562 https://vuldb.com/vuln/362562/cti https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2026-8265? +

A security vulnerability has been detected in Tenda AC6 15.03.06.23. Affected by this issue is the function get_log_file of the file /goform/getLogFile of the component httpd. The manipulation of the argument wans.flag leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2026-8265? +

CVE-2026-8265 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0037, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-8265? +

CVE-2026-8265 affects products from tenda, specifically: ac6, ac6_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-8265? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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