CVE-2022-43392 json
A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an auth…
published 2023-01-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46431
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted authorization request.
Patch / fix
- zyxel lte7480-m804_firmware 1.00\(abra.6\)c0
- zyxel lte7490-m904_firmware 1.00\(abqy.5\)c0
- zyxel nebula_lte3301-plus_firmware 1.15\(acca.3\)c0
- zyxel nebula_lte7461-m602_firmware 1.15\(acev.3\)c0
- zyxel nebula_nr5101_firmware 1.15\(accg.3\)c0
- zyxel nebula_nr7101_firmware 1.15\(accc.3\)c0
- zyxel nr5101_firmware 1.00\(abvc.6\)c0
- zyxel nr7101_firmware 1.00\(abuv.7\)c0
- zyxel nr7102_firmware 1.00\(abyd.2\)c0
- zyxel ex3510-b0_firmware 5.17\(abup.7\)c0
- zyxel ex5510-b0_firmware 5.17\(abqx.7\)c0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Zyxel NR7101 firmware
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
Sources
- CVE List CVE-2022-43392
- NVD CVE-2022-43392
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