What is CVE-2022-28557?

CVE-2022-28557 is a critical-severity vulnerability in Tenda Ac15, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-05-04.

How severe is CVE-2022-28557?

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

Is CVE-2022-28557 known to be exploited?

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

RCE in Tenda Ac15

CVE-2022-28557

There is a command injection vulnerability at the /goform/setsambacfg interface of Tenda AC15 US_AC15V1.0BR_V15.03.05.20_multi_TDE01.bin device web, which can also cooperate with CVE-2021-44971 to cause unconditional arbitrary command execution

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-05-04 · 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: 0.226 (97.7th percentile), scored 2026-11-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.226 · newest: 0.226 · change: 0.000

Affected products

Tenda Ac15 — versions 1.0
Tenda Ac15 Firmware — versions 15.03.05.20_multi_tde01

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

github.com/doudoudedi/TendaAC15_vul/blob/main/TendaAC15-vul.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-28557?: CVE-2022-28557 is a critical-severity vulnerability in Tenda Ac15, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-05-04.
How severe is CVE-2022-28557?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-28557 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.