Tenda AC20 PowerSaveSet sscanf buffer overflow
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 4.0%
exploitation probability
4.0%top 10% of all CVEs
observed exploitation
nono source reports it
A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
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:P
Affected products
Tenda · AC20References
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC20_Buffer_Overflow/Tenda%20AC20_Buffer_Overflow.md#pochttps://github.com/xyh4ck/iot_poc/tree/main/Tenda%20AC20_Buffer_Overflowhttps://vuldb.com/?ctiid.338742https://vuldb.com/?id.338742https://vuldb.com/?submit.726360https://www.tenda.com.cn/