How severe is CVE-2025-55591?

CVE-2025-55591 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-55591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55591?

CVE-2025-55591 affects Totolink A3002r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-55591 have an EU (EUVD) identifier?

Yes. CVE-2025-55591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28602.

When was CVE-2025-55591 published?

CVE-2025-55591 was published on 2025-08-18 and last updated on 2026-06-17.

CVE-2025-55591

CVE-2025-55591 is a critical-severity vulnerability in Totolink A3002r Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28602
Weakness: CWE-77
Affected product: Totolink A3002r Firmware
Published: 2025-08-18
Last modified: 2026-06-17

Description

TOTOLINK-A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection vulnerability in the devicemac parameter in the formMapDel endpoint.

Frequently asked questions

What is CVE-2025-55591?: TOTOLINK-A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection vulnerability in the devicemac parameter in the formMapDel endpoint.
How severe is CVE-2025-55591?: CVE-2025-55591 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-55591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55591?: CVE-2025-55591 affects Totolink A3002r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-55591 have an EU (EUVD) identifier?: Yes. CVE-2025-55591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28602.
When was CVE-2025-55591 published?: CVE-2025-55591 was published on 2025-08-18 and last updated on 2026-06-17.

References

https://github.com/goldenGlow21/softwares_PoC/blob/main/A3002R_V4/Boa%20-%20Command%20Injection/PoC%202.md

Affected products (1)

cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:*:*:*:*:*:*:*

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