CVE-2020-26887 EXPLOIT
7.8
HIGH · CVSS 3.1 · EPSS 1.4% (pctl 72)
Patch early
A public exploit exists.
Description
FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 1.42% — more likely to be exploited than 72% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-10-23 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| avm | fritz\!box 7490 |
| avm | fritz\!box 7490 firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | FRITZ!Box 7.20 - DNS Rebinding Protection Bypass | 2020-12-18 |
References
- http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.html
- https://en.avm.de/news/
- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses
- http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.html
- https://en.avm.de/news/
- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses
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