CVE-2025-45859

A3002r Firmware vulnerability

CVSS

5.4

EPSS

4.0%

EPSS pct

89th

Exploited

No known

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the bandstr parameter in the formMapDelDevice interface.

Affected vendor

Totolink

Affected product

A3002r Firmware

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness type (CWE)

CWE-120 — Classic Buffer Overflow

Published

2025-05-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2025-45859

Confirm whether Totolink A3002r Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2025-45859.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-45859

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-45859 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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