VulnSocial

CVE-2026-19790General

MEDIUMCVSS 7.4 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Patch affected systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

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4.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-119CWE-121

Priority

MEDIUM

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Public PoC and exploit tooling are both present
  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Exploit tool or code specified in 1 signal
  • PoC mentioned or linked in 1 signal
  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • General: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-08-14); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-08-14: 2Mentions · 2026-08-15: 1PoC Mentioned / Linked · 2026-08-15: 1Exploit Tool / Code · 2026-08-15: 1Patch / Workaround · 2026-08-15: 1Technical Details · 2026-08-14: 2Technical Details · 2026-08-15: 108-1408-15
Signal classification2 categories
General
266.7%
Exploit
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-08-142
General2
2026-08-151
Exploit1
Full discourse3 posts
  • Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters
    Exploit

    CVE-2026-19790 - Critical RCE in Tenda G0 router via stack buffer overflow in formSetPortMirror. Remote exploit public. CVSS 8.8. Unpatched—disable WAN management or isolate now. #CVE #Tenda #infosec https://www.valtersit.com/cve/CVE-2026-19790 #CVE #infosec #SysAdmin #cybersecurity #Linux #infosec #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #ethicalhacking #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta

    Post summary

    CVE-2026-19790 is a critical RCE in a Tenda G0 router, publicly exploitable via a stack buffer overflow; the text offers a workaround and references a public exploit, but no evidence of active attacks.

    0000059
    1.0K followersView on X
  • Infoflowcloud@infoflowcloud
    General

    🚨*CVE* CVE-2026-19790 A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Man… https://www.cve.org/CVERecord?id=CVE-2026-19790 ----- Traducción: CVE-2026-19790 Se … https://infoflow.cloud`

    Post summary

    The announcement identifies CVE-2026-19790 affecting the formSetPortMirror function of Tenda G0's httpd component, but provides no evidence of exploitation, patches, or debunking.

    0000028
    98 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-19790 A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Man… https://www.cve.org/CVERecord?id=CVE-2026-19790

    Post summary

    The snippet provides basic CVE details but no information on PoC, exploits, patches, or activity.

    000001.0K
    57.9K followersView on X

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