VulnerabilityPublished 21 Nov 2025Updated 23 Dec 2025

CVE-2025-64310: EPSON WebConfig for SEIKO EPSON Projector Products · Improper Restriction of Excessive Authentication Attempts

Affects EPSON WebConfig for SEIKO EPSON Projector ProductsSource CVE Database V5

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Not known to be exploited · CVSS 9.8 Critical.

Data as of 29 Oct 2026, 14:41 UTC

CVSS 3.1 base score

9.8Critical

How severe the flaw is on the 0–10 CVSS scale.

Contested

Critical score, yet low EPSS after six months

EPSS: 0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: High: There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.
Availability: High: There is total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 21 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

AI-suggested

Apply vendor-provided patches or firmware updates as soon as they become available to address the authentication flaw directly.
Until patches are released, restrict network access to the projector management interfaces using firewalls or network segmentation, allowing only trusted IP addresses or VPN access.
Implement strong, unique administrative passwords and enforce password policies to reduce the risk of successful brute force attacks.
Monitor authentication logs for repeated failed login attempts and configure alerting mechanisms to detect brute force activity early.
Where possible, disable remote management interfaces or limit their exposure to internal networks only.
Consider deploying web application firewalls (WAFs) or intrusion prevention systems (IPS) that can detect and block brute force patterns targeting these devices.
Educate IT staff and users about the risks and signs of compromise related to projector management systems.
Maintain an inventory of all SEIKO EPSON projector devices and their firmware versions to ensure timely updates and vulnerability management.
Engage with the vendor for detailed guidance and verify the affected versions to prioritize remediation efforts effectively.

Description

EPSON WebConfig and Epson Web Control for SEIKO EPSON Projector Products do not restrict excessive authentication attempts. An administrative user's password may be identified through a brute force attack.

Impact

For European organizations, the impact of CVE-2025-64310 can be significant, particularly in sectors that rely heavily on SEIKO EPSON projectors for critical presentations, training, or communication, such as education, government, corporate enterprises, and conference centers. Unauthorized administrative access could lead to disruption of services during important events, leakage of sensitive configuration data, or use of compromised devices as footholds for lateral movement within internal networks. Given the high confidentiality, integrity, and availability impact, attackers could manipulate projector settings, disable devices, or use them as entry points for further attacks. This risk is exacerbated in remote or hybrid work environments where devices may be accessible over less secure networks. The absence of brute force protections increases the likelihood of credential compromise, especially if default or weak passwords are in use. Additionally, compromised devices could be used to undermine trust in organizational communications or to conduct espionage. The critical severity demands that European organizations prioritize detection and remediation to avoid operational disruptions and potential data breaches.

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What to do

Description

AI analysisMachine-generated, updated 23 Dec 2025, 04:08 UTC

Technical details

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