Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
9.8
UTT HiPER 810 Router Has Insecure Default Telnet Password
CVE-2025-70998
Summary
A security issue has been found in the default settings of some UTT HiPER 810 routers. If not changed, a hacker could potentially access the router's root account remotely. It's essential to change the default telnet password to prevent unauthorized access.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| utt | 810_firmware | 1.5.0-140603 | – |
Original title
UTT HiPER 810 / nv810v4 router firmware v1.5.0-140603 was discovered to contain insecure default credentials for the telnet service, possibly allowing a remote attacker to gain root access via a cr...
Original description
UTT HiPER 810 / nv810v4 router firmware v1.5.0-140603 was discovered to contain insecure default credentials for the telnet service, possibly allowing a remote attacker to gain root access via a crafted script.
nvd CVSS3.1
9.8
Vulnerability type
CWE-1188
- https://github.com/cha0yang1/UTT-nv810v4-telnet-backdoor Exploit Third Party Advisory
Published: 18 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026