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High severity7.8NVD Advisory· Published Oct 23, 2020· Updated Jun 17, 2026

CVE-2020-26887

CVE-2020-26887

Description

FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4

Avm/Fritz\!box 7490 Firmware
cpe:2.3:o:avm:fritz\!box_7490_firmware:*:*:*:*:*:*:*:*
Range: <7.21
FRITZ!/FRITZ!Boxdescription
Avm/Fritz\!boxllm-fuzzy
Range: <7.21
Avm/Fritz\! Osllm-fuzzy
Range: <7.21

Patches

Vulnerability mechanics

References

3

packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.htmlnvdExploitThird Party AdvisoryVDB Entry
en.avm.de/news/nvdVendor Advisory
www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analysesnvdThird Party Advisory

News mentions

0

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