CVE-2025-69720

HIGH

7.8

CVSS Score

Published: March 19, 2026 at 12:00 AM UTC

Updated: June 17, 2026 at 10:00 AM UTC

3 products affected across 3 vendorsNcursesRUGGEDCOM RST2428P FirmwareNcurses

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Severity

HIGH7.8

Exploit prediction

EPSS 0.5%

SSVC

PoC

Description

ncurses v6.5 and v6.4 are vulnerable to Buffer Overflow in progs/infocmp.c, function analyze_string().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ncurses · Invisible Island

95%

v ≤ 6.46.5 20240427 6.5 20240504 6.5 20240511 6.5 20240518 6.5 20240519 6.5 20240525 6.5 20240601 6.5 20240608 6.5 20240615 6.5 20240622 6.5 20240629 6.5 20240706 6.5 20240713 6.5 20240720 6.5 20240727 6.5 20240810 6.5 20240817 6.5 20240824 6.5 20240831 6.5 20240914 6.5 20240922 6.5 20240928 6.5 20241006 6.5 20241019 6.5 20241026 6.5 20241102 6.5 20241109 6.5 20241123 6.5 20241130 6.5 20241207 6.5 20241214 6.5 20241221 6.5 20241228 6.5 20250104 6.5 20250111 6.5 20250118 6.5 20250125 6.5 20250201 6.5 20250208 6.5 20250215 6.5 20250216 6.5 20250222 6.5 20250301 6.5 20250308 6.5 20250315 6.5 20250322 6.5 20250329 6.5 20250405 6.5 20250412 6.5 20250419 6.5 20250426 6.5 20250503 6.5 20250510 6.5 20250517 6.5 20250524 6.5 20250531 6.5 20250614 6.5 20250621 6.5 20250628 6.5 20250705 6.5 20250712 6.5 20250720 6.5 20250726 6.5 20250802 6.5 20250809 6.5 20250816 6.5 20250823 6.5 20250830 6.5 20250913 6.5 20250920 6.5 20250927 6.5 20251004 6.5 20251010 6.5 20251018 6.5 20251025 6.5 20251101 6.5 20251115 6.5 20251122 6.5 20251123 6.5 20251129 6.5 20251206

Ncurses · Gnu

60%

v < 6.5-20251213

Affected range stops below 6.5-20251213, so it looks safe — our inference, not a vendor statement

RUGGEDCOM RST2428P Firmware · Siemens

60%

v < V4.0

Affected range stops below V4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (7)

Issue TrackingMailing ListVendor Advisory

Source: cverecord

https://marc.info/?l=ncurses-bug&m=176539968328570&w=2

Issue TrackingMailing ListVendor Advisory

Source: cverecord

https://marc.info/?l=ncurses-bug&m=176540731801330&w=2

Issue TrackingMailing ListVendor Advisory

Source: cverecord

https://marc.info/?l=ncurses-bug&m=176545557728083&w=2

ExploitThird Party Advisory

Source: cverecord

https://github.com/Cao-Wuhui/CVE-2025-69720

Release Notes

Source: cverecord

https://invisible-island.net/archives/ncurses/6.5/

Product

Source: cverecord

https://invisible-island.net/ncurses/

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

https://cert-portal.siemens.com/productcert/html/ssa-253495.html

SSVC — Action Prioritization

SSVCPoCAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-121CWE-120

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