SARA / Free Tools / CVE / CVE-2022-43466

CVE-2022-43466 — OS command injection vulnerability in Buffalo network devices allows a network-a

OS command injection vulnerability in Buffalo network devices allows a network-adjacent attacker with an administrative privilege to execute an arbitrary OS command if a specially crafted request is sent to a specific CGI program.

CVSS
— —
EPSS
0.87% (top 25.00%)
CWE
—
Published
2022-12-19T00:00:00.000Z
Last modified
2025-04-17T14:36:40.144Z
CVSS vector
—

01What is this vulnerability?

OS command injection vulnerability in Buffalo network devices allows a network-adjacent attacker with an administrative privilege to execute an arbitrary OS command if a specially crafted request is sent to a specific CGI program.

02Affected products

VendorProductVersions
BUFFALO INC.WXR5700AX7S — firmware Ver. 1.27 and earlier
BUFFALO INC.WXR5700AX7B — firmware Ver. 1.27 and earlier
BUFFALO INC.WSR3200AX4S — firmware Ver. 1.26 and earlier
BUFFALO INC.WSR3200AX4B — firmware Ver. 1.25
BUFFALO INC.WSR2533DHP2 — firmware Ver. 1.22 and earlier
BUFFALO INC.WSRA2533DHP2 — firmware Ver. 1.22 and earlier
BUFFALO INC.WSR2533DHP3 — firmware Ver. 1.26 and earlier
BUFFALO INC.WSRA2533DHP3 — firmware Ver. 1.26 and earlier
BUFFALO INC.WSR2533DHPL2 — firmware Ver. 1.03 and earlier
BUFFALO INC.WSR2533DHPLS — firmware Ver. 1.07 and earlier
BUFFALO INC.WSR2533DHPLB — firmware Ver. 1.05
BUFFALO INC.WEX1800AX4 — firmware Ver. 1.13 and earlier
BUFFALO INC.WEX1800AX4EA — firmware Ver. 1.13 and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →