ViewSonic vCast up to 3.2.715 input terminator

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in ViewSonic vCast up to 3.2.715. Affected by this issue is some unknown functionality. Performing a manipulation results in input terminator. This vulnerability is known as CVE-2026-82989. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in ViewSonic vCast up to 3.2.715. This affects an unknown code. The manipulation with an unknown input leads to a input terminator vulnerability. CWE is classifying the issue as CWE-147. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as input terminators when they are sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

There is an input injection in vCast exposed network services in ViewSonic ViewBoard that allows a remote, unauthenticated attacker to inject arbitrary input into service endpoints via network-based HTTP requests to unauthenticated endpoints

The advisory is shared at blog.l3afs.space. This vulnerability is uniquely identified as CVE-2026-82989 since 08/31/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/06/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-92873). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input terminator
CWE: CWE-147 / CWE-140 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/31/2026 CVE reserved
10/05/2026 +35 days VulDB entry created
10/06/2026 +0 days Advisory disclosed
10/06/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: blog.l3afs.space
Status: Not defined

CVE: CVE-2026-82989 (🔒)
GCVE (CVE): GCVE-0-2026-82989
GCVE (VulDB): GCVE-100-413865
EUVD: 🔒

Entryinfo

Created: 10/06/2026 01:45
Updated: 10/06/2026 17:05
Changes: 10/06/2026 01:45 (51), 10/06/2026 17:05 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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