Exploitation status
KEV status unavailable
The KEV source did not return a conclusive status.
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Indicator investigation
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Indicator
Type cve · source NVD CVE
KNOWN VULNERABILITY
Vulnerability investigation
CISA KEV status could not be verified from the available evidence. These are public vulnerability signals, not proof that a specific environment runs an affected version.
Exploitation status
KEV status unavailable
The KEV source did not return a conclusive status.
30-day exploitation likelihood
Unavailable
FIRST EPSS did not return a score.
Technical severity
No verified base score
A connector confidence/type prior was not presented as CVSS.
Affected surface
Product applicability incomplete
No structured product mapping is available.
Weakness class
CWE-121
CWE describes the weakness category, not whether a deployed product is reachable or exploitable.
Corpus evidence
1 connectors · 1 citations
No related report text is available in the local corpus.
Findings stay bounded to named sources and observable infrastructure.
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall (handle_up_down() in cli_telnet.c). This affects only applications that enable the telnet CLI front-end (same gating as the related CLI issue). The line-redraw sequence for a recalled history entry can accumulate more data than a fixed-size stack buffer holds, which may lead to application termination. Exploitation requires access to the unauthenticated telnet CLI, which already permits arbitrary CLI commands, so the additional impact is limited. Applications that do not enable the telnet CLI front-end are not affected. This issue has been patched via commit 628b716.
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Investigation status
Checking for newly completed evidence
NIST NVD
NVD evidence is available in this response
CISA KEV
Known-exploitation catalog check is pending
FIRST EPSS
Forensia does not request or publish EPSS while source rights are under review
Reports
Report links are still being resolved
Relationships
Product and vulnerability relationships are still being prepared
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