CVE-2022-28557
Published: 04 May 2022
Summary
CVE-2022-28557 is a critical-severity OS Command Injection (CWE-78) vulnerability in Tenda Ac15 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.1% 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-2022-28557 is a command injection vulnerability, tracked under CWE-78, affecting the web interface of the Tenda AC15 router running firmware US_AC15V1.0BR_V15.03.05.20_multi_TDE01.bin. The flaw resides at the /goform/setsambacfg endpoint and carries a CVSS 3.1 base score of 9.8, reflecting network-accessible exploitation with no required credentials or user interaction and full impact on confidentiality, integrity, and availability. The issue can be chained with CVE-2021-44971 to enable unconditional arbitrary command execution.
An unauthenticated attacker with network access can supply crafted input to the vulnerable endpoint and achieve remote code execution on the device. The published EPSS score of 0.1601 indicates moderate exploitation probability with no material rise from a lower baseline after disclosure. Public technical details are available in the referenced GitHub repository, though no vendor advisory or patch information is provided in the source data.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32999
Vulnerability details
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
- 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.