What is CVE-2020-26728?

CVE-2020-26728 is a critical-severity vulnerability in Tenda Ac9. CVSS score: 9.8/10. Published 2022-02-11.

How severe is CVE-2020-26728?

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

Vulnerability in Tenda Ac9

CVE-2020-26728

A vulnerability was discovered in Tenda AC9 v3.0 V15.03.06.42_multi and Tenda AC9 V1.0 V15.03.05.19(6318)_CN which allows for remote code execution via shell metacharacters in the guestuser field to the __fastcall function with a POST request.

EPSS: 0.038 (88.8th percentile) — read the EPSS interpretation.

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.

Affected products

Tenda Ac9 — versions 3.0, 1.0
Tenda Ac9_firmware — versions 15.03.06.42_multi, 15.03.05.19\(6318\)_cn
N/a — versions n/a

References

cve@mitre.org (x_refsource_MISC, Broken Link)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-26728?: CVE-2020-26728 is a critical-severity vulnerability in Tenda Ac9. CVSS score: 9.8/10. Published 2022-02-11.
How severe is CVE-2020-26728?: Critical severity. CVSS v3 base score is 9.8 out of 10.