CVE-2025-29521

MEDIUMNVD 5.35.3—Trending — 3 sources updated this week

5.3

Insecure default credentials for the Adminsitrator account of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to escalate privileges via a bruteforce attack.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 43.8%
KEV: Not listed

Published

August 25, 2025

Last Modified

September 2, 2025

References (2)

Weakness Classification(1)

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

CWE-1392

Data Freshness Timeline

(refreshed 10× in last 7d / 10× 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.

2026-06-02 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
2026-05-29 23:54 UTCEG score recompute
2026-05-29 23:54 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-29521?

CVE-2025-29521 is a medium vulnerability published on August 25, 2025. Insecure default credentials for the Adminsitrator account of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to escalate privileges via a bruteforce attack.

When was CVE-2025-29521 disclosed?

CVE-2025-29521 was first published in the National Vulnerability Database on August 25, 2025, with the most recent update on September 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-29521 actively exploited?

CVE-2025-29521 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-29521?

CVE-2025-29521 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2025-29521?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-29521, 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-2025-29521

📅 Published

🔄 Last Modified

🔗 References (2)