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01 Record

CVE-2022-26414

A potential buffer overflow vulnerability was identified in some internal functions of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0, which could be exploited by a local authenticated attacker to

MediumPUBLISHEDCNA: Zyxel
CNA base score6.0 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

02 Description

A potential buffer overflow vulnerability was identified in some internal functions of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0, which could be exploited by a local authenticated attacker to

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.20% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 10.8% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-04-11 12:05Z4 YR AGO
Last updated
2024-08-03 05:03Z2 YR AGO
Reserved
2022-03-04
Assigning CNA
Zyxel
Record state
PUBLISHED
Severity
Medium (CVSS 6.0)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
e92091acca8a983db8d92bcb62ef078c72059a6769a81dbdc7d8325ffa1fab75

05 Affected products

VendorProductVersionsPlatforms
ZyxelVMG3312-T20A firmwareV5.30(ABFX.5)C0—

06 References