Cyber Resilience

CVE-2025-55584

MediumPublic PoC

Published: 18 August 2025

Published
18 August 2025
Modified
21 August 2025
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0011 28.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-55584 is a medium-severity Use of Weak Credentials (CWE-1391) vulnerability in Totolink A3002R Firmware. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Default Accounts (T1078.001); ranked at the 28.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain insecure credentials for the telnet service and root account.

CWE(s)
CWE-1391

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1078.001 Default Accounts Stealth
Adversaries may obtain and abuse credentials of a default account as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion.
attack.mitre.org →
T1059.008 Network Device CLI Execution
Adversaries may abuse scripting or built-in command line interpreters (CLI) on network devices to execute malicious command and payloads.
attack.mitre.org →
Why these techniques?

Insecure default credentials for the root account via Telnet service enable use of valid default accounts (T1078.001) for initial access and execution of commands via network device CLI (T1059.008).

Affected Assets

totolink
a3002r firmware
4.0.0-b20230531.1404

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

IA-5 Authenticator Management
addresses: CWE-1391

Ensuring sufficient strength of mechanism for authenticators prevents use of weak credentials.

IA-7 Cryptographic Module Authentication
addresses: CWE-1391

Enforces use of credentials that comply with standards rather than weak credentials for module access.

References