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TI-2026-13474 Aliases CVE-2026-16096GHSA-3pw4-v8p8-wpvg

Shibby Tomato webmon_recent_domains sub_40BB50 stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability has been found in Shibby Tomato 1.28 RT-N5x MIPSR2 Build 124. This affects the function sub_40BB50 of the file /proc/webmon_recent_domains. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack remotely. This project is superseded by FreshTomato.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00539 45th 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
Poc
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
ShibbyTomato1.28 RT-N5x MIPSR2 Build 124—No fix listedCNA
  • Tomato VendorShibby Affected 1.28 RT-N5x MIPSR2 Build 124 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:shibby:tomato:*:*:*:*:*:*:*:*——Shibby
  • cpe:2.3:a:shibby:tomato:*:*:*:*:*:*:*:* Versions — — ·Shibby

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-16096
  2. 2026-10-03 Alias added: GHSA-3pw4-v8p8-wpvg
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

  • TI-2026-08826 Shibby Tomato miniupnpd resource consumption CVSS 4.0HIGH 8.7
  • TI-2026-09330 Shibby Tomato Web UI rc start_dhcpc os command injection CVSS 4.0HIGH 8.6
  • TI-2026-13084 Shibby Tomato apcupsd tomatodata.cgi main out-of-bounds write CVSS 4.0HIGH 8.7
  • TI-2026-13083 Shibby Tomato apcupsd tomatodata.cgi getupsvar stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-08877 Shibby Tomato Zserv ripd rip_zebra_read_ipv4 stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-08822 Shibby Tomato tomatodata.cgi get_ups_field stack-based overflow CVSS 4.0HIGH 8.7
See all 20 →

Sources