What is CVE-2022-33087?

CVE-2022-33087 is a high-severity vulnerability in TP-Link Archer A5, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-06-30.

How severe is CVE-2022-33087?

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

Buffer overflow in TP-Link Archer A5

CVE-2022-33087

A stack overflow in the function DM_ In fillobjbystr() of TP-Link Archer C50&A5(US)_V5_200407 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Vulnerability class: Buffer Overflow

Published 2022-06-30 · 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: 0.016 (75.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: +0.000

Affected products

TP-Link Archer A5 — versions 5
TP-Link Archer A5 Firmware — versions c50\&a5\(us\)_v5_200407, c50&a5(us)_v5_200407
TP-Link Archer C50 — versions 5
TP-Link Archer C50 Firmware — versions c50\&a5\(us\)_v5_200407, c50&a5(us)_v5_200407

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/cilan2/iot/blob/main/4.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-33087?: CVE-2022-33087 is a high-severity vulnerability in TP-Link Archer A5, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-06-30.
How severe is CVE-2022-33087?: High severity. CVSS v3 base score is 7.5 out of 10.