CVE-2022-26414
A potential buffer overflow vulnerability was identified in some internal functions of Zyxel...
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 cause a denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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 cause a denial of service.
- Record
CVE-2022-26414- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2022-30973
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 cause a denial of service.
- Record
EUVD-2022-30973- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wvj8-qqh4-8vmv
A potential buffer overflow vulnerability was identified in some internal functions of Zyxel...
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 cause a denial of service.
- Record
GHSA-wvj8-qqh4-8vmv- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
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 cause a denial of service.
- Record
CVE-2022-26414- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- zyxel vmg3312-t20a firmware
- zyxel ax7501-b0 firmware
- zyxel dx5401-b0 firmware
- zyxel emg3525-t50b firmware
- zyxel emg5523-t50b firmware
- zyxel emg5723-t50k firmware
- zyxel emg6726-b10a firmware
- zyxel ep240p firmware
- zyxel ex3510-b0 firmware
- zyxel ex5401-b0 firmware
- zyxel ex5501-b0 firmware
- zyxel pm7300-t0 firmware
Show 20 moreShow less
- zyxel pmg5317-t20b firmware
- zyxel pmg5617-t20b2 firmware
- zyxel pmg5617ga firmware
- zyxel pmg5622ga firmware
- zyxel px7501-b0 firmware
- zyxel vmg1312-t20b firmware
- zyxel vmg3625-t50b firmware
- zyxel vmg3927-b50a firmware
- zyxel vmg3927-b50b firmware
- zyxel vmg3927-b60a firmware
- zyxel vmg3927-t50k firmware
- zyxel vmg4927-b50a firmware
- zyxel vmg8623-t50b firmware
- zyxel vmg8825-b50a firmware
- zyxel vmg8825-b50b firmware
- zyxel vmg8825-b60a firmware
- zyxel vmg8825-b60b firmware
- zyxel vmg8825-t50k firmware
- zyxel xmg3927-b50a firmware
- zyxel xmg8825-b50a firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-26414 is a medium vulnerability (CVSS 6.0) in Zyxel Vmg3312-t20a Firmware, published April 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.