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TI-2018-10938 Aliases CVE-2018-15376GHSA-6xp7-6pxv-jccr

Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write Vulnerabilities

Priority LOW 32CWE-123Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

A vulnerability in the embedded test subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers could allow an authenticated, local attacker to write arbitrary values to arbitrary locations in the memory space of an affected device. The vulnerability is due to the presence of certain test commands that were intended to be available only in internal development builds of the affected software. An attacker could exploit this vulnerability by using these commands on an affected device. A successful exploit could allow the attacker to write arbitrary values to arbitrary locations in the memory space of the affected device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00327 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco IOS Softwareall versions—No fix listedCNA
  • Cisco IOS Software VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:15.5\(2.21\)t:*:*:*:*:*:*:*15.5(2.21)tVulnerableCisco
cpe:2.3:o:cisco:ios:15.6\(3\)m:*:*:*:*:*:*:*15.6(3)mVulnerableCisco
  • cpe:2.3:o:cisco:ios:15.5\(2.21\)t:*:*:*:*:*:*:* Versions 15.5(2.21)t Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.6\(3\)m:*:*:*:*:*:*:* Versions 15.6(3)m Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Cisco IOS Software — 20180926 Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write Vulnerabilities

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2018-10937 Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write VulnerabilitiesPriority LOW 32
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-15376
  2. 2026-10-03 Alias added: GHSA-6xp7-6pxv-jccr

References

Advisory 1

  • TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
See all 617 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences