CVE-2025-52089

HIGHNVD 8.85.4▼Trending — 3 sources updated this weekElevated

8.8

A hidden remote support feature protected by a static secret in TOTOLINK N300RB firmware version 8.54 allows an authenticated attacker to execute arbitrary OS commands with root privileges.

CVSS v3: 8.8
EG Score: 5.4(medium)
EPSS: 87.2%
KEV: Not listed

Published

July 11, 2025

Last Modified

July 19, 2025

References (1)

cve@mitrehttps://0x09.dev/posts/toto_decouvre_une_interface_de_debug/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 02:01 UTCEG score recompute
2026-05-30 02:01 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-52363
First seen Jul 16, 2025
TOTOLINK N300RB 8.54 - Command Execution
Open source ↗

Frequently asked(5)

What is CVE-2025-52089?

CVE-2025-52089 is a high vulnerability published on July 11, 2025. A hidden remote support feature protected by a static secret in TOTOLINK N300RB firmware version 8.54 allows an authenticated attacker to execute arbitrary OS commands with root privileges.

When was CVE-2025-52089 disclosed?

CVE-2025-52089 was first published in the National Vulnerability Database on July 11, 2025, with the most recent update on July 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-52089 actively exploited?

CVE-2025-52089 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-52089?

CVE-2025-52089 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.4.

How do I remediate CVE-2025-52089?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-52089, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-52089

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(2)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-52089?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)