CVE-2025-69766

CRITICALNVD 9.89.8—Elevated

9.8

Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the citytag stack buffer, which may result in memory corruption and remote code execution.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 69.5%
KEV: Not listed

Published

January 21, 2026

Last Modified

January 26, 2026

References (2)

Weakness Classification(1)

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

CWE-121Stack-based Buffer Overflow

Data Freshness Timeline

(refreshed 15× in last 7d / 19× 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.

2026-06-06 13:47 UTCepss_batch
2026-06-06 13:47 UTCepss_batch
2026-06-05 22:47 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
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 20:13 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 15:30 UTCEG score recompute
2026-05-29 15:30 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-69766?

CVE-2025-69766 is a critical vulnerability published on January 21, 2026. Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the citytag stack buffer, which may result in memory corruption and remote code execution.

When was CVE-2025-69766 disclosed?

CVE-2025-69766 was first published in the National Vulnerability Database on January 21, 2026, with the most recent update on January 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-69766 actively exploited?

CVE-2025-69766 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-69766?

CVE-2025-69766 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-69766?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-69766, 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-2025-69766

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-69766?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

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