High severity · published May 18, 2022
CVE-2022-29643
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the macAddress parameter in the function setMacQos
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the macAddress parameter in the function setMacQos. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A3100r Firmware · Totolink
4.1.2cu.5050_b20200504; 4.1.2cu.5247_b20211129 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-29643
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-29643
Exploit
https://github.com/shijin0925/IOT/blob/master/TOTOLINK%20A3100R/6.md
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