Vulnerability Details CVE-2026-1686
A security flaw has been discovered in Totolink A3600R 5.9c.4959. This issue affects the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. Performing a manipulation of the argument apcliSsid results in buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 37.2%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3600R/4959-apcliSsid-setAppEasyWizardConfig.md
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3600R/4959-apcliSsid-setAppEasyWizardConfig.md#poc
- https://vuldb.com/?ctiid.343480
- https://vuldb.com/?id.343480
- https://vuldb.com/?submit.740888
- https://www.totolink.net/
Products affected by CVE-2026-1686
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cpe:2.3:h:totolink:a3600r:-
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cpe:2.3:o:totolink:a3600r_firmware:5.9c.4959