CVE-2021-45996 — HIGH (7.5)

Vulnerability Description

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetPortMapping. This vulnerability allows attackers to cause a Denial of Service (DoS) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

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
Tendacn	G1 Firmware	15.11.0.17\(9502\)_cn
Tendacn	G1	-
Tendacn	G3 Firmware	15.11.0.17\(9502\)_cn
Tendacn	G3	-

Related Weaknesses (CWE)

CWE-787

References

https://github.com/pjqwudi/my_vuln/tree/main/Tenda/vuln_8ExploitThird Party Advisory
https://github.com/pjqwudi/my_vuln/tree/main/Tenda/vuln_8ExploitThird Party Advisory

FAQ

What is CVE-2021-45996?

CVE-2021-45996 is a vulnerability with a CVSS score of 7.5 (HIGH). Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetPortMapping. This vulnerability allows attackers to cause a Denial of Service (DoS) via ...

How severe is CVE-2021-45996?

CVE-2021-45996 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-2021-45996?

Check the references section above for vendor advisories and patch information. Affected products include: Tendacn G1 Firmware, Tendacn G1, Tendacn G3 Firmware, Tendacn G3.