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Fencer Vulns
medium 6.8

CVE-2026-0711 json

A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7…

published 2026-04-28 6 mo ago modified 2026-07-25 3 mo ago also EUVD-2026-25968

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 58%
public exploits
0
none known

Summary

A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.

Patch / fix

  • zyxel nr5307_firmware 2.00\(acjt.3\)c0
  • zyxel nebula_fwa515_firmware 1.60\(acpz.0\)v0
  • zyxel dx3300-t0_firmware 5.50\(abvy.7.2\)c0
  • zyxel dx3300-t1_firmware 5.50\(abvy.7.2\)c0
  • zyxel dx3301-t0_firmware 5.50\(abvy.7.2\)c0
  • zyxel dx5401-b0_firmware 5.17\(abyo.7.2\)c0
  • zyxel dx5401-b1_firmware 5.17\(abyo.7.2\)c0
  • zyxel ee3301-00_firmware 5.63\(acmu.3.1\)c0
  • zyxel ee5301-00_firmware 5.63\(acld.3.1\)c0
  • zyxel ee6510-10_firmware 5.19\(acjq.4.2\)c0
  • zyxel emg3525-t50b_firmware 5.50\(abpm.9.8\)c0
  • zyxel emg5523-t50b_firmware 5.50\(abpm.9.8\)c0
  • zyxel ex3300-t0_firmware 5.50\(abvy.7.2\)c0
  • zyxel ex3300-t1_firmware 5.50\(abvy.7.2\)c0
  • zyxel ex3301-t0_firmware 5.50\(abvy.7.2\)c0
  • zyxel ex3500-t0_firmware 5.44\(achr.6\)c0
  • zyxel ex3501-t0_firmware 5.44\(achr.6\)c0
  • zyxel ex3600-t0_firmware 5.70\(acif.3\)c0
  • zyxel ex5401-b0_firmware 5.17\(abyo.7.2\)c0
  • zyxel ex5401-b1_firmware 5.17\(abyo.7.2\)c0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
6 mo ago

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
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

  • Zyxel DX3300-T0 firmware

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.