CVE-2025-55503

HIGHNVD 7.37.3—Elevated

7.3

Tenda AC6 V15.03.06.23_multi has a stack overflow vulnerability via the deviceName parameter in the saveParentControlInfo function.

CVSS v3: 7.3
EG Score: 7.3(medium)
EPSS: 32.0%
KEV: Not listed

Published

August 20, 2025

Last Modified

August 21, 2025

References (1)

cve@mitrehttps://github.com/SolitaryGrass/IoT_vuln/blob/main/tenda/AC6/AC6V2.0RTL_V15.03.06.23/saveParentControlInfo/poc.md

Weakness Classification(1)

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

CWE-121Stack-based Buffer Overflow

Data Freshness Timeline

(refreshed 16× 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
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2026-06-05 22:46 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 00:09 UTCEG score recompute
2026-05-30 00:09 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-55503?

CVE-2025-55503 is a high vulnerability published on August 20, 2025. Tenda AC6 V15.03.06.23_multi has a stack overflow vulnerability via the deviceName parameter in the saveParentControlInfo function.

When was CVE-2025-55503 disclosed?

CVE-2025-55503 was first published in the National Vulnerability Database on August 20, 2025, with the most recent update on August 21, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-55503 actively exploited?

CVE-2025-55503 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-55503?

CVE-2025-55503 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2025-55503?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-55503, 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-2025-55503

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-55503?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)