SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-35324

A vulnerability in the Form_Login function of TOTOLINK A720R A720R_Firmware V4.1.5cu.470_B20200911 allows attackers to bypass authentication.

CRITICAL 9.8EPSS 10.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

A vulnerability in the Form_Login function of TOTOLINK A720R A720R_Firmware V4.1.5cu.470_B20200911 allows attackers to bypass authentication.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
10.42% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
totolink/a720r firmware
Source
cve@mitre.org
EPSS trend
0%8%15%3 November 2026: 10.42%3 November 20263 November 2026

EPSS 10.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.