CVE-2019-25569Disclosure(crun / realterm)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

RealTerm Serial Terminal 2.0.0.70 contains a stack-based buffer overflow vulnerability in the Echo Port field that allows local attackers to crash the application by triggering a structured exception handler (SEH) chain corruption. Attackers can craft a malicious input string with 268 bytes of padding followed by SEH overwrite values and paste it into the Port field to cause denial of service.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-787

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • realterm

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-03-21); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
realterm

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-21: 1Mentions · 2026-03-22: 1Technical Details · 2026-03-21: 1Technical Details · 2026-03-22: 103-2103-22
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2019-25569 RealTerm Serial Terminal 2.0.0.70 contains a stack-based buffer overflow vulnerability in the Echo Port field that allows local attackers to crash the application by … https://www.cve.org/CVERecord?id=CVE-2019-25569

    Post summary

    The snippet discloses a stack‑based buffer overflow in RealTerm Serial Terminal v2.0.0.70 that allows local attackers to crash the application.

    0000066
    56.8K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2019-25569 - RealTerm Serial Terminal 2.0.0.70 SEH Overflow Crash Intel Report: https://ift.tt/bOTPdcD

    Post summary

    An Intel‑reported SEH overflow vulnerability in RealTerm 2.0.0.70 is announced, but no PoC, exploit, active exploitation, or mitigation is provided.

    0000026
    334 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appcrunrealterm2.0.0.70--

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