Network
Vivacom Bulgaria EAD
AS8866registered in Bulgaria (BG)hosts in 1 country
As of 2026-10-07, Vivacom Bulgaria EAD (AS8866, registered in Bulgaria) had 55 478 hosts seen in 1 country; 1 545 of them with known CVEs (1 263 distinct, 11 known to be exploited). It announces 1 011 IPv4 prefixes and 177 IPv6 prefixes (1 042 688 IPv4 addresses, 357th by address space).
Known CVEs in this network
CVEs by severity: CRITICAL 182 HIGH 476 MEDIUM 541 LOW 48 UNRATED 16
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.
Not counted: 328 hosts with CVEs only on distribution builds whose fix may be backported.
Counted 2026-10-07 03:22 UTC
- Organisation
- Vivacom Bulgaria EAD
- Network type
- Network service provider (transit) · peering policy Open
- Website
- http://www.vivacom.bg
- Registry
- RIPE NCC · Bulgaria BG · allocated 1998-07-02
- Announced prefixes
- 1 011 IPv4 · 177 IPv6 See them
- IPv4 address space
- 1 042 688 addresses · 357th of 87 260 networks by size
- Rank by exposure
- 329th by hosts with known CVEs Ranking
- Exchange points
- 8
Routing
Most common CVEs in this network
| CVE | Hosts |
|---|---|
| CVE-2025-23419 MEDIUM 5.3 | 855 |
| CVE-2023-44487 HIGH 7.5 known exploited | 854 |
| CVE-2026-60002 HIGH 7.7 | 438 |
| CVE-2026-60000 HIGH 7.5 | 438 |
| CVE-2026-59998 MEDIUM 6.5 | 438 |
| CVE-2026-60001 MEDIUM 6.5 | 438 |
| CVE-2026-59999 MEDIUM 5.9 | 438 |
| CVE-2026-59995 MEDIUM 5.4 | 438 |
| CVE-2026-59996 MEDIUM 5.4 | 438 |
| CVE-2026-59997 MEDIUM 5.4 | 438 |
| CVE-2026-73282 MEDIUM 4.8 | 438 |
| CVE-2026-73281 LOW 3.5 | 438 |
| CVE-2026-73283 LOW 2.5 | 438 |
| CVE-2026-35385 HIGH 8.1 | 320 |
| CVE-2026-35414 HIGH 8.1 | 320 |
| CVE-2026-35387 MEDIUM 6.5 | 320 |
| CVE-2026-35388 LOW 2.5 | 320 |
| CVE-2025-61984 LOW 3.6 | 296 |
| CVE-2025-61985 LOW 3.6 | 296 |
| CVE-2023-48795 MEDIUM 5.9 | 252 |
| CVE-2025-26465 MEDIUM 6.8 | 227 |
| CVE-2025-32728 LOW 3.8 | 217 |
| CVE-2023-51385 MEDIUM 6.5 | 211 |
| CVE-2023-38408 CRITICAL 9.8 | 203 |
| CVE-2026-93546 HIGH 8.8 | 104 |
| CVE-2021-36368 LOW 3.7 | 97 |
| CVE-2026-56154 CRITICAL 9.8 | 95 |
| CVE-2026-57941 CRITICAL 9.8 | 95 |
| CVE-2026-59797 CRITICAL 9.8 | 95 |
| CVE-2026-73636 HIGH 8.1 | 95 |
| CVE-2026-48005 HIGH 7.5 | 95 |
| CVE-2026-56153 HIGH 7.5 | 95 |
| CVE-2026-56449 HIGH 7.5 | 95 |
| CVE-2026-59685 HIGH 7.5 | 95 |
| CVE-2026-63045 HIGH 7.5 | 95 |
| CVE-2026-63292 HIGH 7.5 | 95 |
| CVE-2026-63686 HIGH 7.5 | 95 |
| CVE-2026-73637 HIGH 7.3 | 95 |
| CVE-2026-58415 MEDIUM 5.3 | 95 |
| CVE-2026-79768 MEDIUM 5.3 | 95 |
| CVE-2016-20012 MEDIUM 5.3 | 92 |
| CVE-2020-15778 HIGH 7.4 | 80 |
| CVE-2026-42535 CRITICAL 9.1 | 77 |
| CVE-2026-29170 MEDIUM 6.1 | 77 |
| CVE-2026-106552 N/A | 77 |
| CVE-2026-106553 N/A | 77 |
| CVE-2026-106555 N/A | 77 |
| CVE-2026-106582 N/A | 77 |
| CVE-2026-106583 N/A | 77 |
| CVE-2026-106584 N/A | 77 |
The 50 found on the most hosts, of 1 263 CVEs.
Most exposed hosts
Known exploited first, then by the number of CVEs.
Showing the first 100 of 1 545. Complete lists will be available to registered users.
Where its hosts are
| Country | Hosts | With CVEs |
|---|---|---|
| Bulgaria BG | 55 478 | 1 545 |