CVE-2026-78169
Remote stack-based buffer overflow in UTT HiPER 1250GW HTTP handler enabling RCE/DoS.
Is CVE-2026-78169 being exploited?
Not confirmed. CVE-2026-78169 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 0.44% probability of exploitation in the next 30 days.
How severe is CVE-2026-78169?
CVE-2026-78169 is rated High. 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-2026-78169?
Not known from our data. No patch reference has been recorded for CVE-2026-78169, 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-2026-78169 affect?
CVE-2026-78169 affects UTT HiPER 1250GW (firmware up to 3.2.7-210907-180535). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-78169?
Block remote HTTP management, isolate device, apply vendor patch when released, monitor for exploitation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can trigger a stack-based buffer overflow via HTTP Profile parameter to cause denial-of-service or achieve remote code execution.
Immediate action required
- affected3.2.7-210907-180535
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.