CVE-2025-66635PoC

LOWCVSS 8.6 · 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

Stack-based buffer overflow vulnerability exists in SEIKO EPSON Web Config. Specially crafted data input by a logged-in user may execute arbitrary code. As for the details of the affected products and versions, see the information provided by the vendor under [References].

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1.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-121

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
1 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

PoC

1100.0%

Full discourse1 post

Jλckλι@J4ck3LSyN224d
PoC
> CVE-2025-35970 * validate:`snmpwalk -v 2c -c public <rHost> 1.3.6.1.2.1.1.1` * walk:`snmpget -v 2c -c public <rHost> 1.3.6.1.2.1.43.5.1.1.17.1` --- Working on followup CVE-2025-66635 PoC, will keep updated. #OffSec #Epson #IoT #CyberSecurity https://t.co/S8xofSvQHr
Post summary
The tweet references CVE-2025-35970 and indicates a PoC is being worked on for CVE-2025-66635, but no exploit code, patch, or active exploitation details are provided.
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