CVE-2018-25253

Termite 3.4 Denial of Service via Settings Buffer Overflow

CVSS 6.9 MEDIUMEPSS 0.2%CWE-787

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 6.9EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

04 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

Termite 3.4 contains a buffer overflow vulnerability in the User interface language settings field that allows local attackers to cause a denial of service by supplying an excessively long string. Attackers can paste a 2000-byte payload into the Settings User interface language field to crash the application.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

Compuphase · Termite

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/45453unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://www.compuphase.com https://www.compuphase.com/software_termite.htm https://www.exploit-db.com/exploits/45453 https://www.vulncheck.com/advisories/termite-denial-of-service-via-settings-buffer-overflow