Vulnerability Description
A flaw has been found in Tenda AC5 15.03.06.47. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. This manipulation of the argument PPPOEPassword causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac5 Firmware | 15.03.06.47 |
| Tenda | Ac5 | 1.0 |
Related Weaknesses (CWE)
References
- https://lavender-bicycle-a5a.notion.site/Tenda_AC5_QuickIndex_PPPOEPassword-3205ExploitThird Party Advisory
- https://vuldb.com/?ctiid.353654Permissions RequiredVDB Entry
- https://vuldb.com/?id.353654Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.777380Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-4903?
CVE-2026-4903 is a vulnerability with a CVSS score of 8.8 (HIGH). A flaw has been found in Tenda AC5 15.03.06.47. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. This manipulation of the ar...
How severe is CVE-2026-4903?
CVE-2026-4903 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4903?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac5 Firmware, Tenda Ac5.