CVE-2021-27707
Critical
Description
Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"portMappingIndex "request. This occurs because the "formDelPortMapping" function directly passes the parameter "portMappingIndex" to strcpy without limit.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTenda G1 Firmware
PublishedApr 14, 2021
First seenApr 14, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda g1_firmware | v15.11.0.17\(9502\)_cn | — |
| tenda g3_firmware | v15.11.0.17\(9502\)_cn | — |
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