What is CVE-2022-36273?

CVE-2022-36273 is a critical-severity vulnerability in Tenda Ac9, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-08-16.

How severe is CVE-2022-36273?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-36273 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Tenda Ac9

CVE-2022-36273

Tenda AC9 V15.03.2.21_cn is vulnerable to command injection via goform/SetSysTimeCfg.

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-08-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.6th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Tenda Ac9
Tenda Ac9 Firmware — versions 15.03.2.21_cn

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

github.com/F0und-icu/CVEIDs/tree/main/TendaAC9 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-36273?: CVE-2022-36273 is a critical-severity vulnerability in Tenda Ac9, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-08-16.
How severe is CVE-2022-36273?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-36273 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.