CVE-2021-21745
ZTE MF971R product has a Referer authentication bypass vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 55.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- EPSS
- 55.71% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- zte/mf971r firmware
- Source
- psirt@zte.com.cn
EPSS 55.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.