What is CVE-2022-45511?

CVE-2022-45511 is a high-severity vulnerability in Tenda W30e, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-12-08.

How severe is CVE-2022-45511?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-45511 known to be exploited?

8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tenda W30e

CVE-2022-45511

Tenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the PPPOEPassword parameter at /goform/QuickIndex.

Vulnerability class: Buffer Overflow

Published 2022-12-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.0th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% 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: 0.010 · change: +0.000

Affected products

Tenda W30e
Tenda W30e Firmware — versions 1.0.1.25(633), 1.0.1.25\(633\)

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

github.com/z1r00/IOT_Vul/blob/main/Tenda/W30E/QuickIndex/readme.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-45511?: CVE-2022-45511 is a high-severity vulnerability in Tenda W30e, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-12-08.
How severe is CVE-2022-45511?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-45511 known to be exploited?: 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.