What is the CVSS score of CVE-2020-12763?

CVE-2020-12763 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.4%.

Is there a public PoC exploit available for CVE-2020-12763?

Yes, a public proof-of-concept exploit is available for CVE-2020-12763. Prioritise patching immediately. EPSS: 3.4%.

Tv Ip512Wn Firmware CVE-2020-12763

CRITICAL

Out-of-bounds Write (CWE-787)

2020-05-13 cve@mitre.org

Buffer Overflow RCE Denial Of Service Memory Corruption Tv Ip512Wn Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

CVE Published

May 13, 2020 - 15:15 nvd

CRITICAL 9.8

DescriptionNVD

TRENDnet ProView Wireless camera TV-IP512WN 1.0R 1.0.4 is vulnerable to an unauthenticated stack-based buffer overflow in handling RTSP packets. This may result in remote code execution or denial of service. The issue is in the binary rtspd (in /sbin) when parsing a long "Authorization: Basic" RTSP header.

AnalysisAI

TRENDnet ProView Wireless camera TV-IP512WN 1.0R 1.0.4 is vulnerable to an unauthenticated stack-based buffer overflow in handling RTSP packets. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. TRENDnet ProView Wireless camera TV-IP512WN 1.0R 1.0.4 is vulnerable to an unauthenticated stack-based buffer overflow in handling RTSP packets. This may result in remote code execution or denial of service. The issue is in the binary rtspd (in /sbin) when parsing a long "Authorization: Basic" RTSP header. Affected products include: Trendnet Tv-Ip512Wn Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).