Is CVE-2025-0825 in the CISA KEV catalog?

No. CVE-2025-0825 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-0825?

CVE-2025-0825 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-0825?

CVE-2025-0825 has an EPSS score of 0.39% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0825?

Upgrade cpp-httplib on debian 13 to 0.18.7-1 or later.

CVE & CISA-KEV Catalog

CVE-2025-0825

MEDIUM

5.3

CVSS v3

NVD

Description

cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters ("\r\n") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting, XSS, and more.

CWE-113

How to fix

Remediation Available

cpp-httplibDebian

Fixed in:0.18.7-1CVE-2025-0825

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.39%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Patch1

github.com

Exploit1

advisory.checkmarx.net

Related Vulnerabilities

Other CWE-113 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-37436	Medium	5.3	58%	-	Fix
CVE-2024-52875	High	8.8	29%	-	-
CVE-2016-5699	Medium	6.1	10%	-	Fix
CVE-2016-8024	High	8.1	8.7%	-	-
CVE-2017-17742	Medium	5.3	5.8%	-	Fix
CVE-2016-5325	Medium	6.1	4.1%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-04.