CVE-2025-67186Disclosure(totolink / a950rg)

LOWCVSS 9.8 · CRITICAL

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

TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of /lib/cste_modules/firewall.so. The vulnerability occurs because the `url` parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.

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0.0/ 10 priority

Sources & remediation

Exploit / PoC references

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setUrlFliterRules-url-buffer.md

Weakness type (CWE)

CWE-120

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.

a950rg
a950rg_firmware

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 (2026-02-03); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

totolink

Products

a950rga950rg_firmware

2 versions affected across 2 products

Deep dive

Activity timeline2 mentions / 2d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

The Hacker Wire@TheHackerWire246d
Disclosure
🔴 CVE-2025-67186 - Critical TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of /lib/cste_modules/firewall.so. The vulnerability occurs because the ... https://www.thehackerwire.com/vulnerability/CVE-2025-67186/ https://t.co/Nz2V5KrnGo
Post summary
The tweet announces a critical buffer overflow in TOTOLINK A950RG firmware (CVE‑2025‑67186) without mentioning any PoC, exploit, or patch.
0000052
113 followersView on X
CVE@CVEnew247d
Disclosure
CVE-2025-67186 TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of /lib/cste_modules/firewall.so. The vulnerabilit… https://www.cve.org/CVERecord?id=CVE-2025-67186
Post summary
The post reports a buffer overflow vulnerability in TOTOLINK A950RG firmware, detailing the affected interface and library.
00000144
56.5K followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
HW	totolink	a950rg	-	-	-
OS	totolink	a950rg_firmware	4.1.2cu.5204_b20210112	-	-

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