What is CVE-2023-33553?

CVE-2023-33553 is a critical-severity vulnerability in Planet Wdrt-1800ax, classified under Improper Authentication. CVSS score: 9.8/10. Published 2023-06-07.

How severe is CVE-2023-33553?

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

Auth bypass in Planet Wdrt-1800ax

CVE-2023-33553

An issue in Planet Technologies WDRT-1800AX v1.01-CP21 allows attackers to bypass authentication and escalate privileges to root via manipulation of the LoginStatus cookie.

Vulnerability class: Broken Authentication

Published 2023-06-07 · 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: 0.010 (62.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Planet Wdrt-1800ax
Planet Wdrt-1800ax Firmware — versions 1.01-cp21

Weakness classification (CWE)

References

github.com/0xfml/poc/blob/main/PLANET/WDRT-1800AX.md (Exploit, Third Party Advisory)
www.planet.com.tw/en/product/wdrt-1800ax (Product)

Frequently asked questions

What is CVE-2023-33553?: CVE-2023-33553 is a critical-severity vulnerability in Planet Wdrt-1800ax, classified under Improper Authentication. CVSS score: 9.8/10. Published 2023-06-07.
How severe is CVE-2023-33553?: Critical severity. CVSS v3 base score is 9.8 out of 10.