CVE-2026-82542
Remote buffer overflow in Tenda HG10 web admin IPv6 routing enabling remote compromise.
Is CVE-2026-82542 being exploited?
Not confirmed. CVE-2026-82542 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 0.64% probability of exploitation in the next 30 days.
How severe is CVE-2026-82542?
CVE-2026-82542 is rated Critical with a CVSS score of 9.3. 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-2026-82542?
Not known from our data. No patch reference has been recorded for CVE-2026-82542, 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-2026-82542 affect?
CVE-2026-82542 affects Tenda HG10 300001138, Boa Web Server (router admin interface), Tenda HG10 firmware builds using affected component. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-82542?
Isolate affected devices, disable remote admin, block management ports, apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote buffer overflow in formIPv6Routing (destNet) enabling remote code execution and full device compromise via Boa web server.
Immediate action required
- affected300001138
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.