CVE-2026-93738: Buffer Overflow (CVSS 9.9)

Description

A vulnerability was found in Totolink A3002MU Hh-B20211125.1046. This affects the function formSchedule of the file /boafrm/formSchedule. Performing a manipulation of the argument webpage results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

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CVSS v3.1 Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0085

Probability of exploitation

0.58%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

References

Other References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formSchedule.md https://vuldb.com/cve/CVE-2026-93738 https://vuldb.com/submit/914017 https://vuldb.com/vuln/407548 https://vuldb.com/vuln/407548/cti https://www.totolink.net/

Frequently Asked Questions

What is CVE-2026-93738? +

A vulnerability was found in Totolink A3002MU Hh-B20211125.1046. This affects the function formSchedule of the file /boafrm/formSchedule. Performing a manipulation of the argument webpage results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-93738? +

CVE-2026-93738 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0085, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-93738? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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