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Fencer Vulns
medium 6.8

CVE-2022-43466 json

OS command injection vulnerability in Buffalo network devices allows a network-adjacent attacker with an administrative privilege to execut…

published 2022-12-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46467

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • BUFFALO INC. WXR-5700AX7S
  • BUFFALO INC. WXR-5700AX7B
  • BUFFALO INC. WSR-3200AX4S
  • BUFFALO INC. WSR-3200AX4B
  • BUFFALO INC. WSR-2533DHP2
  • BUFFALO INC. WSR-A2533DHP2
  • BUFFALO INC. WSR-2533DHP3
  • BUFFALO INC. WSR-A2533DHP3
  • BUFFALO INC. WSR-2533DHPL2
  • BUFFALO INC. WSR-2533DHPLS
  • BUFFALO INC. WSR-2533DHPLB
  • BUFFALO INC. WEX-1800AX4
  • BUFFALO INC. WEX-1800AX4EA

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.