What is CVE-2023-27076?

CVE-2023-27076 is a critical-severity vulnerability in Tenda G103, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-04-10.

How severe is CVE-2023-27076?

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

RCE in Tenda G103

CVE-2023-27076

Command injection vulnerability found in Tenda G103 v.1.0.0.5 allows attacker to execute arbitrary code via a the language parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-04-10 · 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: 0.229 (97.7th percentile), scored 2026-09-30.

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: 0.229 · newest: 0.229 · change: 0.000

Affected products

Tenda G103
Tenda G103 Firmware — versions 1.0.0.5

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/B2eFly/Router/blob/main/Tenda/G103/1.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-27076?: CVE-2023-27076 is a critical-severity vulnerability in Tenda G103, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-04-10.
How severe is CVE-2023-27076?: Critical severity. CVSS v3 base score is 9.8 out of 10.