TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via the password parameter in function loginAuth .

published 2024-06-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-36779

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-07-19)

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/s4ndw1ch136/IOT-vuln-reports/blob/main/TOTOLINK/A3700R/loginAuth/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

totolink a3700r_firmware

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-120 Buffer Copy without Checking Size of Input

References

github.com /s4ndw1ch136/IOT-vuln-reports/blob/main/TOTOLINK/A3700R/loginAuth/README.md
exploit

Sources

CVE List CVE-2024-37632
NVD CVE-2024-37632

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary