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PatchSiren cyber security CVE debrief

CVE-2026-8263 Tenda CVE debrief

A security flaw has been discovered in Tenda AC6 15.03.06.49_multi_TDE01, specifically in the function fromSetWirelessRepeat of the file /goform/WifiExtraSet within the httpd component. The vulnerability allows for OS command injection through manipulation of the mac and ssid arguments. This issue can be exploited remotely, potentially leading to unauthorized command execution on affected systems. Users of Tenda AC6 15.03.06.49_multi_TDE01 should apply vendor remediation or compensating controls to mitigate the risk of OS command injection attacks. The vulnerability's impact is considered low, with a CVSS score of 2.

Vendor
Tenda
Product
AC6
CVSS
LOW 2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-11
Original CVE updated
2026-07-23
Advisory published
2026-05-11
Advisory updated
2026-07-23

Who should care

Users of Tenda AC6 15.03.06.49_multi_TDE01 should apply vendor remediation or compensating controls to mitigate the risk of OS command injection attacks. This includes administrators of networks where the affected device is deployed, as well as security teams responsible for vulnerability management. The vulnerability's low CVSS score may underestimate its potential impact in certain network configurations.

Technical summary

The vulnerability is caused by improper sanitization of user input in the fromSetWirelessRepeat function of the /goform/WifiExtraSet file in the httpd component of Tenda AC6 15.03.06.49_multi_TDE01. An attacker can exploit this vulnerability by manipulating the mac and ssid arguments, leading to OS command injection. The vulnerability has a CVSS score of 2, indicating a low severity. The exploit has been released to the public, increasing the risk of attacks.

Defensive priority

Medium

Recommended defensive actions

  • Apply vendor remediation
  • Implement compensating controls
  • Monitor for suspicious activity
  • Perform inventory checks
  • Review network configurations for exposed systems
  • Track exceptions and retest remediated assets
  • Verify affected product deployments exist in managed environments

Evidence notes

The CVE record was published on 2026-05-11T02:16:28.120Z and was last modified on 2026-07-23T20:10:00.130Z. The NVD entry is currently Analyzed. Evidence is limited to public sources and may not reflect the full scope or current accuracy of the vulnerability. Defenders should verify the affected product deployments and review official advisories for updated guidance.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-05-11T02:16:28.120Z and has not been modified since then. The NVD entry is currently Analyzed.