CVE-2022-28556 — HIGH (7.5)

Vulnerability Description

Tenda AC15 US_AC15V1.0BR_V15.03.05.20_multi_TDE01.bin is vulnerable to Buffer Overflow. The stack overflow vulnerability lies in the /goform/setpptpservercfg interface of the web. The sent post data startip and endip are copied to the stack using the sanf function, resulting in stack overflow. Similarly, this vulnerability can be used together with CVE-2021-44971

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tenda	Ac15 Firmware	15.03.05.20_multi_tde01
Tenda	Ac15	1.0

Related Weaknesses (CWE)

CWE-787

References

https://github.com/doudoudedi/TendaAC15_vul/blob/main/TendaAC15-vul.mdExploitThird Party Advisory
https://github.com/doudoudedi/TendaAC15_vul/blob/main/TendaAC15-vul.mdExploitThird Party Advisory

FAQ

What is CVE-2022-28556?

CVE-2022-28556 is a vulnerability with a CVSS score of 7.5 (HIGH). Tenda AC15 US_AC15V1.0BR_V15.03.05.20_multi_TDE01.bin is vulnerable to Buffer Overflow. The stack overflow vulnerability lies in the /goform/setpptpservercfg interface of the web. The sent post data s...

How severe is CVE-2022-28556?

CVE-2022-28556 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-28556?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac15 Firmware, Tenda Ac15.