CVE-2024-42547
TOTOLINK A3100R V4.1.2cu.5050_B20200504 has a buffer overflow vulnerability in the http_host parameter in the loginauth function.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
TOTOLINK A3100R V4.1.2cu.5050_B20200504 has a buffer overflow vulnerability in the http_host parameter in the loginauth function.
- 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
- 0.63% probability · 50th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- totolink/a3100r firmware
- Source
- cve@mitre.org
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3100R/loginauth.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.