CVE-2026-8263CRITICAL 9.8EPSS p90.4%

CVE-2026-8263CVE-2026-8263

Description

A security flaw has been discovered in Tenda AC6 15.03.06.49_multi_TDE01. Affected is the function fromSetWirelessRepeat of the file /goform/WifiExtraSet of the component httpd. Performing a manipulation of the argument mac/ssid results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS4.55% probability of exploitation · percentile 90.4% · 2026-06-19T12:03:05Z
Published2026-05-11
Last modified2026-05-12

Underlying weaknesses· 3

CWE-77CWE-78CWE-787

References

  1. https://github.com/yaoyue123/iot/blob/main/Tenda/AC10U/fromSetWirelessRepeat.md
  2. https://vuldb.com/submit/810074
  3. https://vuldb.com/vuln/362560
  4. https://vuldb.com/vuln/362560/cti
  5. https://www.tenda.com.cn/

3

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live
WeaknessOut-of-bounds Writecwe-7870%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-8264
CVE
CVE-2026-2202
CVE
CVE-2026-5547
CVE
CVE-2025-3786
CVE
CVE-2026-5153
CVE
CVE-2026-2203
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.