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HIGH

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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