CVE-2020-25858
CVSS v3
7.5
HIGH
EPSS Score
9.6 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The QCMAP_Web_CLIENT binary in the Qualcomm QCMAP software suite prior to versions released in October 2020 does not validate the return value of a strstr() or strchr() call in the Tokenizer() function. An attacker who invokes the web interface with a crafted URL can crash the process, causing denial of service. This version of QCMAP is used in many kinds of networking devices, primarily mobile hotspots and LTE routers.
Technical details
- Published
- 2020-10-15
Frequently asked questions
What is CVE-2020-25858?
The QCMAP_Web_CLIENT binary in the Qualcomm QCMAP software suite prior to versions released in October 2020 does not validate the return value of a strstr() or strchr() call in the Tokenizer() function. An attacker who invokes the web interface with a crafted URL can crash the process, causing denial of service. This version of QCMAP is used in many kinds of networking devices, primarily mobile hotspots and LTE routers.
Is CVE-2020-25858 actively exploited?
Active exploitation of CVE-2020-25858 has not been confirmed. Its EPSS score was 9.6% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-25858?
CVE-2020-25858 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-25858 affecting your environment?
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