What is CVE-2022-27373?

CVE-2022-27373 is a high-severity vulnerability in Phicomm Fir303b, classified under OS Command Injection. CVSS score: 8.8/10. Published 2022-07-19.

How severe is CVE-2022-27373?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2022-27373 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Phicomm Fir303b

CVE-2022-27373

Shanghai Feixun Data Communication Technology Co., Ltd router fir302b A2 was discovered to contain a remote command execution (RCE) vulnerability via the Ping function.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.034 (87.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2022-27373?: CVE-2022-27373 is a high-severity vulnerability in Phicomm Fir303b, classified under OS Command Injection. CVSS score: 8.8/10. Published 2022-07-19.
How severe is CVE-2022-27373?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-27373 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.