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Vulnerability record · CVE-2026-5550 · published 5 April 2026

CVE-2026-5550: Tenda ac10 firmware memory buffer overflow vulnerability

Tenda · Ac10 Firmware

A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolChangePwd of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. Multiple endpoints might be affected.

8.7 CVSS 4.0 High EPSS 0.96% · top 40.1% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
8.7CVSS 4.0 base score, v2 9.0
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
24 Jul 2026Last modified by NVD

Description

A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolChangePwd of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. Multiple endpoints might be affected.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/somanyerrors/tenda-ac10v4-vulnerabilities/blob/main/findings/HIGH-01-getvalue-229-callers.md MitigationThird Party Advisory
https://vuldb.com/submit/782299 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355314 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355314/cti Permissions RequiredVDB Entry
https://www.tenda.com.cn/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-5550), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.