CVE-2022-26414 json
A potential buffer overflow vulnerability was identified in some internal functions of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0,…
published 2022-04-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-30973
- cvss
- 6.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 11%
- public exploits
- 0
- none known
Summary
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.
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
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- Zyxel VMG3312-T20A firmware
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
Sources
- CVE List CVE-2022-26414
- NVD CVE-2022-26414
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.