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Fencer Intel
medium 4.9

CVE-2024-38266 json

An improper restriction of operations within the bounds of a memory buffer in the parameter type parser of the Zyxel VMG8825-T50K firmware…

published 2y ago modified 4mo ago also EUVD-2024-37231

cvss
4.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

An improper restriction of operations within the bounds of a memory buffer in the parameter type parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions, resulting in a thread crash on an affected device.

Patch / fix

  • zyxel dx3300-t0_firmware 5.50\(abvy.5\)c0
  • zyxel dx3300-t1_firmware 5.50\(abvy.5\)c0
  • zyxel dx3301-t0_firmware 5.50\(abvy.5\)c0
  • zyxel dx4510-b0_firmware 5.17\(abyl.6\)c0
  • zyxel dx4510-b1_firmware 5.17\(abyl.6\)c0
  • zyxel dx5401-b0_firmware 5.17\(abyo.6\)c0
  • zyxel dx5401-b1_firmware 5.17\(abyo.6\)c0
  • zyxel ex3300-t0_firmware 5.50\(abvy.5\)c0
  • zyxel ex3300-t1_firmware 5.50\(abvy.5\)c0
  • zyxel ex3301-t0_firmware 5.50\(abvy.5\)c0
  • zyxel ex3500-t0_firmware 5.44\(achr.1\)c0
  • zyxel ex3501-t0_firmware 5.44\(achr.1\)c0
  • zyxel ex3510-b0_firmware 5.17\(abup.11\)c0
  • zyxel ex3510-b1_firmware 5.17\(abup.11\)c0
  • zyxel ex3600-t0_firmware 5.70\(acif.0.2\)c0
  • zyxel ex5401-b0_firmware 5.17\(abyo.6\)c0
  • zyxel ex5401-b1_firmware 5.17\(abyo.6\)c0
  • zyxel ex5510-b0_firmware 5.17\(abqx.9\)c0
  • zyxel ex5512-t0_firmware 5.70\(aceg.3\)c1
  • zyxel ex5601-t0_firmware 5.70\(acdz.3\)c0

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Zyxel VMG8825-T50K firmware

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 Out-of-bounds Write

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.