CVE-2018-25271
CVE-2018-25271 is a medium-severity vulnerability in Helios Textpad with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2018-21787
- Weakness: CWE-787
- Affected product: Helios Textpad
- Published:
- Last modified:
Description
Textpad 8.1.2 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long buffer string through the Run command interface. Attackers can paste a 5000-byte payload into the Command field via Tools > Run to trigger a buffer overflow that crashes the application.
Frequently asked questions
- What is CVE-2018-25271?
- Textpad 8.1.2 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long buffer string through the Run command interface. Attackers can paste a 5000-byte payload into the Command field via Tools > Run to trigger a buffer overflow that crashes the application.
- How severe is CVE-2018-25271?
- CVE-2018-25271 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-25271 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-25271?
- CVE-2018-25271 affects Helios Textpad. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-25271?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2018-25271 have an EU (EUVD) identifier?
- Yes. CVE-2018-25271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21787.
- When was CVE-2018-25271 published?
- CVE-2018-25271 was published on 2026-04-22 and last updated on 2026-06-17.
References
- https://textpad.com
- https://www.exploit-db.com/exploits/45956
- https://www.textpad.com/download/v81/win32/txpeng812-32.zip
- https://www.vulncheck.com/advisories/textpad-denial-of-service-via-run-command
Affected products (1)
- cpe:2.3:a:helios:textpad:8.1.2:*:*:*:*:*:*:*
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…