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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.036 (89.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-27373: held from 0.035 to 0.036.

EPSS over last 30 days · oldest: 0.035 · newest: 0.036 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.