CVE-2026-52191
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
A buffer overflow vulnerability in the UTT nv518G router (firmware version nv518GV3v3.2.7-210919-161313) allows a remote attacker to cause a denial of service (DoS) via the gohead/sub_444C8C component.
Risk Assessment
An attacker can remotely crash the device, leading to network disruption and loss of internet access for users.
Recommendation
Immediately update the UTT nv518G router firmware to the latest version if a patch is available, or consider replacing the device with a model not affected by this vulnerability.
Other vulnerabilities in UTT nv518G
See all- CVE-2026-52186Critical
SQL Injection vulnerability in UTT nv518G firmware version nv518GV3v3.2.7-210919-161313 allows a remote attacker to execute arbitrary code via the gohead/sub_463bbc component.
- CVE-2026-52192High
A vulnerability in the UTT nv518G router with firmware version nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service (DoS) via the gohead/sub_445C5C component.
- CVE-2026-52189High
A buffer overflow vulnerability in UTT nv518G device (firmware version nv518GV3v3.2.7-210919-161313) allows a remote attacker to cause a denial of service (DoS) via the gohead/sub_487330 component.
- CVE-2026-52188Medium
A buffer overflow vulnerability has been discovered in the UTT nv518G device running firmware version nv518GV3v3.2.7-210919-161313. A remote attacker can exploit the gohead//sub_497498 component to cause a denial of service (DoS).
- CVE-2026-52187High
A buffer overflow vulnerability has been discovered in the UTT nv518G device running firmware version nv518GV3v3.2.7-210919-161313. A remote attacker can exploit the gohead/sub_483ba0 component to cause a denial of service (DoS).
- CVE-2026-52190High
A buffer overflow vulnerability in the UTT nv518G router running firmware version nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service (DoS) via the gohead/sub_448384 component.
- CVE-2026-52198High
A buffer overflow vulnerability has been discovered in the UTT nv518G device running firmware version nv518GV3v3.2.7-210919-161313. A remote attacker can exploit the gohead/sub_425994 component to cause a denial of service (DoS).
- CVE-2026-52197High
A vulnerability in the UTT nv518G router running firmware version nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service (DoS) via the gohead/sub_44af70 component.
- CVE-2026-52195High
A buffer overflow vulnerability has been discovered in the UTT nv518G device running firmware version nv518GV3v3.2.7-210919-161313. A remote attacker can exploit this flaw in the gohead/sub_472f08 component to cause a denial of service (DoS).
- CVE-2026-52193High
A buffer overflow vulnerability has been found in the UTT nv518G device running firmware version nv518GV3v3.2.7-210919-161313. A remote attacker can exploit the gohead/sub_447CAC component to cause a denial of service (DoS).
Original NVD description (English source)
Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub_444C8C component