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Fencer Intel
high 8.0

CVE-2022-26413 json

A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticate…

published 4y ago modified 4mo ago also EUVD-2022-30972

cvss
8.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticated attacker to execute arbitrary OS commands on a vulnerable device via a LAN interface.

Patch / fix

  • zyxel emg3525-t50b_firmware 5.50\(abpm.6\)c0
  • zyxel emg5523-t50b_firmware 5.50\(abpm.6\)c0
  • zyxel emg5723-t50k_firmware 5.50\(abom.7\)c0
  • zyxel emg6726-b10a_firmware 5.13\(abnp.7\)c0
  • zyxel vmg1312-t20b_firmware 5.50\(absb.5\)c0
  • zyxel vmg3625-t50b_firmware 5.50\(abpm.6\)c0
  • zyxel vmg3927-b50a_firmware 5.17\(abmt.6\)c0
  • zyxel vmg3927-b50b_firmware 5.13\(ably.7\)c0
  • zyxel vmg3927-b60a_firmware 5.17\(abmt.6\)c0
  • zyxel vmg3927-t50k_firmware 5.50\(abom.7\)c0
  • zyxel vmg4927-b50a_firmware 5.13\(ably.7\)c0
  • zyxel vmg8623-t50b_firmware 5.50\(abpm.6\)c0
  • zyxel vmg8825-b50a_firmware 5.17\(abmt.6\)c0
  • zyxel vmg8825-b50b_firmware 5.17\(abny.7\)c0
  • zyxel vmg8825-t50k_firmware 5.50\(abom.7\)c0
  • zyxel vmg8825-b60a_firmware 5.17\(abmt.6\)c0
  • zyxel vmg8825-b60b_firmware 5.17\(abny.7\)c0
  • zyxel xmg3927-b50a_firmware 5.17\(abmt.6\)c0
  • zyxel xmg8825-b50a_firmware 5.17\(abmt.6\)c0
  • zyxel dx5401-b0_firmware 5.17\(abyo.1\)c0

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Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.7 AV:A/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • Zyxel VMG3312-T20A firmware

Classification

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

References

Sources

Fencer Intel 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.