What is CVE-2022-46594?

CVE-2022-46594 is a critical-severity vulnerability in Trendnet Tew-755ap, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-12-30.

How severe is CVE-2022-46594?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Trendnet Tew-755ap

CVE-2022-46594

TRENDnet TEW755AP 1.13B01 was discovered to contain a stack overflow via the update_file_name parameter in the auto_up_fw (sub_420A04) function.

Vulnerability class: Buffer Overflow

Published 2022-12-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Trendnet Tew-755ap
Trendnet Tew-755ap Firmware — versions 1.13b01

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

brief-nymphea-813.notion.site/Vul1-TEW755-bof-auto_up_fw-1359a9e4b8ee4ad6b8632c… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-46594?: CVE-2022-46594 is a critical-severity vulnerability in Trendnet Tew-755ap, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-12-30.
How severe is CVE-2022-46594?: Critical severity. CVSS v3 base score is 9.8 out of 10.