CVE-2025-28039

CRITICALNVD 9.89.8—Elevated

9.8

TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 86.0%
KEV: Not listed

Published

April 22, 2025

Last Modified

April 29, 2025

Advisory Details (1)

Auto-updated Jun 1, 2026

No patch confirmed yet.

generic

Notion

https://locrian-lightning-dc7.notion.site/RCE2-1ad8e5e2b1a280fbb0cacc7e758e7299

Weakness Classification(1)

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

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-04 13:12 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-30 06:59 UTCEG score recompute

Frequently asked(5)

What is CVE-2025-28039?

CVE-2025-28039 is a critical vulnerability published on April 22, 2025. TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

When was CVE-2025-28039 disclosed?

CVE-2025-28039 was first published in the National Vulnerability Database on April 22, 2025, with the most recent update on April 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-28039 actively exploited?

CVE-2025-28039 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-28039?

CVE-2025-28039 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-28039?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-28039, 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-2025-28039

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Notion

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-28039?

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Advisory Details (1)

Frequently asked(5)

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