VDB-301370 · CVE-2025-30742 · EUVD-2025-8105

pizhenwei atophttpd 2.8.0 httpd.c off-by-one

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in pizhenwei atophttpd 2.8.0. It has been declared as problematic. This vulnerability affects unknown code of the file httpd.c. Such manipulation leads to off-by-one. This vulnerability is referenced as CVE-2025-30742. It is possible to launch the attack remotely. No exploit is available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in pizhenwei atophttpd 2.8.0 and classified as problematic. Affected by this issue is some unknown processing of the file httpd.c. The manipulation with an unknown input leads to a off-by-one vulnerability. Using CWE to declare the problem leads to CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. Impacted is availability. CVE summarizes:

httpd.c in atophttpd 2.8.0 has an off-by-one error and resultant out-of-bounds read because a certain 1024-character req string would not have a final '\0' character.

The advisory is available at github.com. This vulnerability is handled as CVE-2025-30742 since 03/26/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/08/2025).

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-2025-8105). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Web Server

Vendor

pizhenwei

Name

atophttpd

Version

2.8.0

Website

Product: https://github.com/pizhenwei/atophttpd/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (MITRE): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/26/2025 Advisory disclosed
03/26/2025 +0 days CVE reserved
03/26/2025 +0 days VulDB entry created
06/08/2025 +74 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-30742 (🔒)
GCVE (CVE): GCVE-0-2025-30742
GCVE (VulDB): GCVE-100-301370
EUVD: 🔒

Entryinfo

Created: 03/26/2025 07:34 AM
Updated: 06/08/2025 06:00 AM
Changes: 03/26/2025 07:34 AM (62), 06/08/2025 06:00 AM (1)
Complete: 🔍
Cache ID: 244:D5B:40