How severe is CVE-2024-37635?

CVE-2024-37635 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-37635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-37635?

CVE-2024-37635 affects Totolink A3700r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-37635?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-37635 have an EU (EUVD) identifier?

Yes. CVE-2024-37635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36782.

When was CVE-2024-37635 published?

CVE-2024-37635 was published on 2024-06-13 and last updated on 2026-06-17.

CVE-2024-37635

CVE-2024-37635 is a critical-severity vulnerability in Totolink A3700r Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36782
Weakness: CWE-120
Affected product: Totolink A3700r Firmware
Published: 2024-06-13
Last modified: 2026-06-17

Description

TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid in the function setWiFiBasicCfg

Frequently asked questions

What is CVE-2024-37635?: TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid in the function setWiFiBasicCfg
How severe is CVE-2024-37635?: CVE-2024-37635 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-37635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-37635?: CVE-2024-37635 affects Totolink A3700r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-37635?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-37635 have an EU (EUVD) identifier?: Yes. CVE-2024-37635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36782.
When was CVE-2024-37635 published?: CVE-2024-37635 was published on 2024-06-13 and last updated on 2026-06-17.

References

https://github.com/s4ndw1ch136/IOT-vuln-reports/blob/main/TOTOLINK/A3700R/setWiFiBasicCfg/README.md

Affected products (1)

cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.6165_20211012:*:*:*:*:*:*:*

More vulnerabilities in Totolink A3700r Firmware

CVE-2024-42545 — Critical (CVSS 9.8): TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the ssid parameter in setWizardCfg…
CVE-2024-42543 — Critical (CVSS 9.8): TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the loginauth…
CVE-2024-37637 — Critical (CVSS 9.8): TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid5g in the function…
CVE-2024-37634 — Critical (CVSS 9.8): TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid in the function…
CVE-2024-37632 — Critical (CVSS 9.8): TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via the password parameter in function…
CVE-2024-22663 — Critical (CVSS 9.8): TOTOLINK_A3700R_V9.1.2u.6165_20211012has a command Injection vulnerability via setOpModeCfg

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