What is CVE-2025-55588?

CVE-2025-55588 is a high-severity vulnerability in Totolink A3002r, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-08-18.

How severe is CVE-2025-55588?

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

Resource exhaustion in Totolink A3002r

CVE-2025-55588

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow in the fw_ip parameter at /boafrm/formPortFw. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Vulnerability class: DoS (Denial of Service)

Published 2025-08-18 · 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: 0.004 (31.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Totolink A3002r
Totolink A3002r Firmware — versions 4.0.0-b20230531.1404

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

github.com/goldenGlow21/softwares_PoC/blob/main/A3002R_V4/Boa - BOF/formPortFw… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-55588?: CVE-2025-55588 is a high-severity vulnerability in Totolink A3002r, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-08-18.
How severe is CVE-2025-55588?: High severity. CVSS v3 base score is 7.5 out of 10.