CVE-2026-26732
Stack-based buffer overflow in TOTOLINK A3002RU formFilter via vpnUser/vpnPassword.
Is CVE-2026-26732 being exploited?
Not confirmed. CVE-2026-26732 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.33% probability of exploitation in the next 30 days.
How severe is CVE-2026-26732?
CVE-2026-26732 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-26732?
Not known from our data. No patch reference has been recorded for CVE-2026-26732, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-26732 affect?
CVE-2026-26732 affects TOTOLINK A3002RU (V2.1.1-B20211108.1455). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26732?
Update firmware when released; restrict VPN exposure
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution or device crash via crafted VPN input; attacker could take control of the router.
Patch when possible