CVE-2021-45990

9.8 criticalEPSS 1.9%

Critical (9.8) in tendacn. EPSS 1.9% chance of exploitation in the next 30 days.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function uploadPicture. This vulnerability allows attackers to execute arbitrary commands via the pic_name parameter.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2022-02-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tendacn:g1_firmware
tendacn:g3_firmware

References

https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_1/1.md
https://www.tenable.com/cve/CVE-2021-45990
https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_1/1.md

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