CVE-2026-19348Disclosure

LOWCVSS 8.9 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net&opt=smacfilter_conf&function=set&act=add&name=test&enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

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1.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-74CWE-77

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

Public PoC is present in monitored signal
3 mentions across 2 observed days
Momentum state: stable

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 3 signals
Disclosure: 2 classified signals
Peaked 1d ago at 2 mentions (2026-08-09); latest day: 1
3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d

Signal classification2 categories

Disclosure

266.7%

PoC

133.3%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-08-09	2	Disclosure2
2026-08-15	1	PoC1

Full discourse3 posts

SecAlerts@SecAlertsCo41d
PoC
📡 CVE-2026-19348: Command injection via sprintf in /protocol.csp on Shenzhen Aitemi M300 Wi-Fi Repeaters. No auth needed, network-accessible, PoC exists. CVSS 8.9. Check your network kit. #cybersecurity #vulnerabilities #ciso https://secalerts.co/vulnerability/CVE-2026-19348?utm_campaign=x https://t.co/Bq4Og8zdB0
Post summary
The post reports a network‑accessible command injection in Shenzhen Aitemi M300 repeaters, cites a PoC, and provides a CVSS score of 8.9, but offers no exploit code or patch.
00000131
879 followersView on X
Infoflowcloud@infoflowcloud46d
Disclosure
🚨*CVE* CVE-2026-19348 A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net&opt=smacfi… https://www.cve.org/CVERecord?id=CVE-2026-19348 ----- Traducción: CVE-2026-19348 Se … http://infoflow.cloud`
Post summary
The post announces the discovery of CVE‑2026‑19348, noting the vulnerable function but providing no PoC, exploit, mitigation, or reported active use.
0000033
98 followersView on X
CVE@CVEnew46d
Disclosure
CVE-2026-19348 A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net&opt=smacfi… https://www.cve.org/CVERecord?id=CVE-2026-19348
Post summary
A security flaw (CVE-2026-19348) affecting the sprintf function in the /protocol.csp file of a Shenzhen Aitemi M300 Wi‑Fi Repeater has been reported; no PoC, exploit code, patch, or active exploitation evidence is provided.
00000989
57.9K followersView on X

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