Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Totolink | A3600R Firmware | 5.9c.4959 |
| Totolink | A3600R | - |
Related Weaknesses (CWE)
References
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3ExploitThird Party Advisory
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3Exploit
- https://vuldb.com/?ctiid.343480Permissions RequiredVDB Entry
- https://vuldb.com/?id.343480Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.740888Third Party AdvisoryVDB Entry
- https://www.totolink.net/Product
FAQ
What is CVE-2026-1686?
CVE-2026-1686 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 argum...
How severe is CVE-2026-1686?
CVE-2026-1686 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1686?
Check the references section above for vendor advisories and patch information. Affected products include: Totolink A3600R Firmware, Totolink A3600R.