zyxel usg flex 50w firmware

Name: zyxel usg flex 50w firmware
Brand: zyxel

productUS

cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

by severity

2critical8high6medium0low

updated 2026-10-28

vulnerabilities (26)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2022-30525US	critical9.8OT critical	99.9% (100th)	KEV	5.30	2022-05-12	5.10 → 5.30
CVE-2023-28771US	—OT critical	99.3% (100th)	KEV	5.36	2023-04-25	4.60 → 5.36
CVE-2023-33010US	critical9.8OT critical	29.0% (98th)	KEV	5.36	2023-05-24	2 versions
CVE-2023-33009US	—OT critical	28.1% (98th)	KEV	5.36	2023-05-24	2 versions
CVE-2023-33012US	—	9.88% (96th)	Exploit	5.37	2023-07-17	5.00 → 5.37
CVE-2022-30526US	high7.8	1.13% (66th)	Exploit	no fix	2022-07-19	4.16 → 5.30
CVE-2023-27991US	high8.8	1.45% (73rd)	—	5.36	2023-04-24	4.16 → 5.36
CVE-2022-2030US	medium6.5	1.35% (71st)	—	no fix	2022-07-19	4.20 → 5.30
CVE-2023-6398US	—	1.33% (71st)	—	5.37	2024-02-20	2 versions
CVE-2023-22913US	high8.1	1.29% (70th)	—	no fix	2023-04-24	4.50 → 5.35
CVE-2023-22915US	high7.5	1.05% (64th)	—	no fix	2023-04-24	4.30 → 5.35
CVE-2023-22914US	high7.2	1.03% (64th)	—	no fix	2023-04-24	4.50 → 5.35
CVE-2023-6764US	—	0.89% (59th)	—	5.37	2024-02-20	2 versions
CVE-2023-22917US	high7.5	0.88% (59th)	—	no fix	2023-04-24	5.10 → 5.32
CVE-2023-22918US	medium6.5	0.77% (55th)	—	5.36	2023-04-24	4.16 → 5.36
CVE-2023-34139US	high8.8	0.76% (55th)	—	5.37	2023-07-17	4.50 → 5.37
CVE-2023-22916US	high8.1	0.69% (53rd)	—	no fix	2023-04-24	5.10 → 5.35
CVE-2023-34141US	—	0.68% (52nd)	—	5.37	2023-07-17	5.00 → 5.37
CVE-2023-34138US	—	0.68% (52nd)	—	5.37	2023-07-17	4.60 → 5.37
CVE-2023-6399US	medium6.5	0.65% (51st)	—	5.37	2024-02-20	2 versions
CVE-2023-28767US	—	0.40% (34th)	—	5.37	2023-07-17	5.00 → 5.37
CVE-2022-40603US	medium6.1	0.39% (33rd)	—	no fix	2022-12-06	4.50 → 5.31
CVE-2023-27990US	medium4.8	0.34% (27th)	—	5.36	2023-04-24	4.16 → 5.36
CVE-2023-33011US	—	0.34% (27th)	—	5.37	2023-07-17	5.00 → 5.37
CVE-2023-6397US	medium5.3	0.30% (23rd)	—	5.37	2024-02-20	2 versions
CVE-2023-34140US	—	0.30% (23rd)	—	5.37	2023-07-17	4.50 → 5.37

weaknesses (8)

The flaw types (CWEs) most of these CVEs share.

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')9 CVEs
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')5 CVEs
CWE-134Use of Externally-Controlled Format String3 CVEs
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')3 CVEs
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')2 CVEs
CWE-20Improper Input Validation1 CVEs
CWE-269Improper Privilege Management1 CVEs
CWE-359Exposure of Private Personal Information to an Unauthorized Actor1 CVEs

sources (1)

Which sources assert this record, and when.

USNVD / CVE26 CVEs

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