CVE-2021-44246

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-02-04 · updated 2026-06-17

Description

Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain a stack overflow in the function setNoticeCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IpTo parameter.

Affected products

TOTOLINK A3100R: 4.1.2cu.5050_b20200504
TOTOLINK A720R: 4.1.5cu.470_b20200911
TOTOLINK A830R Firmware: 5.9c.4729_b20191112

References

https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_2/2.md
https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_2/2.md

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