CVE-2023-27076
Published: 10 April 2023
Summary
CVE-2023-27076 is a critical-severity OS Command Injection (CWE-78) vulnerability in Tenda G103 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 13.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-27076 is a command injection vulnerability, tracked under CWE-78, that affects the Tenda G103 router running firmware version 1.0.0.5. The flaw resides in the language parameter and permits unauthenticated remote attackers to inject and execute operating-system commands on the device.
An attacker with network access can supply a crafted language value to the affected endpoint, resulting in arbitrary code execution with full system privileges. The vulnerability carries a CVSS 3.1 base score of 9.8, reflecting its network-exploitable nature, lack of required authentication or user interaction, and complete impact on confidentiality, integrity, and availability.
Public references consist of technical write-ups hosted on GitHub that demonstrate the injection vector; no vendor advisory or firmware patch is referenced in the available sources.
EPSS for the CVE rose from a low baseline to a peak of 0.1403 in December 2025 before receding to the current value of 0.0293, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-30864
Vulnerability details
Command injection vulnerability found in Tenda G103 v.1.0.0.5 allows attacker to execute arbitrary code via a the language parameter.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.